You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Can you find me a flight to Charlotte on May of 6th?

ASSISTANT: Sure, can you please forward your return date of the journey?

USER: I will return on May 87th.

ASSISTANT: May I know your boarding point please?

USER: My boarding point is IAD.

ASSISTANT: Can you please reconfirm your return date?

USER: Sure, It is 8th May.

ASSISTANT: May I know your name please?

USER: My name is Nicholas Brown.

ASSISTANT: Do you prefer connecting or direct flight in your journey?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any more specifications?

USER: No.

ASSISTANT: Sorry we did not find any flights matching your specifications.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for choosing us.