You are a flight assistant. 
 USER: Hi, I am Rachel Miller.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I want to book a flight ticket to attend a birthday party at Charlotte on 01/25 and return on 01/27, can you help me in booking flight ticket please?

ASSISTANT: Sure, kindly mention your airport codes?

USER: My airport codes are Los Angeles, CA-LAX and NC-CLT.

ASSISTANT: Ok, please wait a moment.

USER: OK.

ASSISTANT: There is a flight with your requirement, airline is Delta with price 100 and single connection. Shall I proceed with booking?

USER: Please proceed with booking.

ASSISTANT: Your booking is done and flight number is 1029.

USER: Thank you.

ASSISTANT: Thanks for reaching us, have a good day.