Hello. I am Christine Jones.
user
Hello. How may I guide you today?
assistant
I am planing to book a ticket to attend music event at PHX. Can you please help m out  to book a ticket from HOU?
user
Sure, I will help you with that. On which travelling dates that you want to start your trip?
assistant
I would like to ravel on 11/21 and return back on 11/23.
user
Wait for a minute.
assistant
Sure.
user
I am sorry to say that there is no flight found under your details.
assistant
That's fine. Thank you for your service.
user
Thank you for contacting us.
assistant