Hi, I am Joseph Perez.
user
Hello, how may I be there for you?
assistant
Could you please assist me to book a flight ticket from CO to attend an exam in TX?
user
Sure, we are euphoric to help you. On what dates you want me to book the ticket?
assistant
I will depart on Oct 28th and my return date will been Oct 30th.
user
May I know your take off and landing points?
assistant
My source airport code is DEN and my destination airport code is IAH.
user
 Are you okay with an economy class or you need a business class?
assistant
I am comfortable with any class.
user
Please be on hold for sometime, as I can check a flight for your journey with the best airlines.
assistant
Sure.
user
Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.
assistant
No issues, I'll choose any alternative to reach my destination. Thank you.
user
Thank you for choosing us.
assistant