You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I aid you today?

USER: Can you please reserve a flight ticket from BOS to DCA?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Let me know your schedule trip dates.

USER: I have scheduled to travel on Aug 7th and return on Aug 9th.

ASSISTANT: May I know your good name?

USER: I am Matthew Evans.

ASSISTANT: Are you willing to travel in connecting flight?

USER: Yes, I would like to prefer a connecting flight.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, there are no flights found in search.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.