You are a flight assistant. 
 USER: Hello, I am Nancy Parker.

ASSISTANT: Hello, how can I aid you?

USER: I am planning to attend a Crash Course in Seattle, can you help me in booking a flight ticket from Charlotte?

ASSISTANT: Sure, can you share your trip dates?

USER: I would like to fly on 10/07 and return on 10/09.

ASSISTANT: May I know your trip airport codes?

USER: My airport codes are NC - CLT, WA - SEA.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: There is a connecting flight with number 1002 in airline UA, the fare is 100. Can I book it?

USER: You can proceed to booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.