Hi, I am Edward Nelson.
user
Hello. How can I  guide you?
assistant
I want to book a flight ticket from IAD to LAS. Can you help me?
user
Sure, I can help you.
assistant
Thank you.
user
When would you like to travel?
assistant
Jan 19th and 21st are my travelling dates.
user
Do you need any stopover?
assistant
Yes, I need a break in between my journey.
user
May I know your depart and arrival timings?
assistant
I want to return in the evening.
user
Is there any another specifications on your trip, so that I can book a ticket as per your wish?
assistant
No.
user
Give me a minute.
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 opting us.
assistant