You are a flight assistant. 
 USER: Hi. I am Patricia Smith.

ASSISTANT: Hello. How can I amend you?

USER:  I would like to book a flight to meet my Granny after a long time, so help me in booking a ticket on 11/01 to 11/03.

ASSISTANT: Sure, I am ravish to help you. Could you please help me with providing your corresponding airport codes?

USER: My source is DCA and destination is AUS.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Give me a moment I will check and revert to you.

USER: Sure.

ASSISTANT: We found a Frontier airline matching your details with single connection and the flight number-1026.

USER: You can book it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for approaching us.