Hello.
user
Hello. How can  assist you?
assistant
Can you help me in booking my flight ticket from IAH to LAS?
user
Can I know your travelling dates?
assistant
My trip dates will be July 11th to July 13th.
user
Please let me know your connection limit?
assistant
I prefer a connecting flight.
user
Do you have any other preference?
assistant
I prefer a flight that should depart in the evening.
user
Can I know your name?
assistant
I am Nicolas Williams.
user
 As per your requirements. There is a direct flight with ticket fare 100 and 1012 as flight number in Delta Airline. Shall I proceed with booking?
assistant
You can proceed.
user
Your ticket is confirmed.
assistant
Thank you.
user
Thank you for reaching us.
assistant