Hello.
user
Hello. How may I help you?
assistant
I am Matthew Perez. Can you please book a flight ticket from CLT to ORD?
user
Sure, on which dates you are planning to travel?
assistant
Thank you. I have planned to travel on dates of July 28 and July 30.
user
Sorry, on these dates there is no flights available.
assistant
Oh! It is sad to hear. Anyway, thank you for your time.
user
Most welcome.
assistant