Hello.
user
Hello.
assistant
I am Catherine Thompson.
user
How may I help you?
assistant
I want to book a ticket from HOU to ATL to attend seminar, can you help me in booking?
user
May I know your travel dates?
assistant
I am departing on June 19 and return on June 21.
user
 Give me a while.
assistant
Sure, take your time.
user
Do you have any class preferences or time preferences?
assistant
I am ok with any class. I want to return in evening time.
user
 No flights Found as per your  preferences.
assistant
That's ok, thank you for your information.
user
Thank you for reaching us.
assistant