Hello.
user
Hello. How may I help you?
assistant
I am Christopher Smith, I want to book a flight ticket from IAD to LGA.
user
Sure, I will help you out.
assistant
Thank you.
user
May I know your travelling dates please?
assistant
Sure, my travelling dates are 11/24 and 11/26.
user
Ok, please wait for a while.
assistant
Ok, sure please take your time.
user
Sorry, there are no flights found in our database.
assistant
Not a problem, anyway thank you for the information.
user
Thank you for choosing us.
assistant