Hello.
user
Hello, how may I help you today?
assistant
I want to book a flight ticket  to meet my father who is staying at Houston IAH, can you help me with booking?
user
Sure, can you please provide your journey dates that you wish to travel?
assistant
I will depart on 07/13 and return on 07/15.
user
From which airport you are willing to board?
assistant
My boarding point is Los Angeles Lax.
user
To proceed further, I need your name.
assistant
I am Michelle Turner.
user
Sorry to say that, no flights were found on your requested dates.
assistant
That's fine. Thank you.
user
Thank you for choosing us.
assistant