You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Anna Phillips. I am a journalist, I have to cover a murder case at Denver. Could you book my ticket from Charlotte?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are 12/27 and return on 12/29.

ASSISTANT: Ok, let me know your source and destination airport codes?

USER: My travelling airport codes are CLT and DEN.

ASSISTANT: We found a flight from Frontier airline with 1 connection and fare is 100. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your ticket is booked with 1015 flight number.

USER: Thank you.

ASSISTANT: Thank you for reaching us.