Hello.
user
Hello, how can I help you?
assistant
I am Frank Collins from Phoenix. Can you please book a flight ticket from PHX to IAD? As I need to attend a cultural fest in Washington.
user
Sure, when would like to travel?
assistant
I need to travel on dates of 07/10 and 07/12.
user
Sorry, there is no flight on your requested travelling dates.
assistant
Oh! It is sad to hear. Anyway, thank you for your time.
user
You are welcome.
assistant