You are a flight assistant. 
 USER: Hello, I am Jessica Hall.

ASSISTANT: Hello.

USER: I want to reach Phoenix to visit comic con, can you help me to book a connecting flight?

ASSISTANT: How can I aid you? Sure, Can I know your travelling dates?

USER: 12/31 and 01/02 are my preferred travelling dates.

ASSISTANT: May I know your travelling airport codes?

USER: My plan to start from Charlotte, NC-CLT to reach Phoenix, AZ-PHX.

ASSISTANT: We found a Frontier airline, flight number:1006 and the price is 200.

USER: That's fine, you can book the ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your service.

ASSISTANT: Thank you.