You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Mary Baker, want to travel from BOS to DCA.

ASSISTANT: May I know your trip dates?

USER: My travelling dates are from 09/07 to 09/09.

ASSISTANT: There is a flight available for you in Delta airline with 1 connection. Shall I proceed with the booking?

USER: Yes, please.

ASSISTANT: Your ticket id booked.

USER: Thank you.

ASSISTANT: Welcome.