You are a flight assistant. 
 USER: Hi. I am Dorothy Phillips.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket on 06/18 and return on 06/20, so can you help me with booking please?

ASSISTANT: Sure, kindly mention your airport codes?

USER: Sure, my airport codes are Charlotte, NC-CLT and Detroit, MI-DTW.

ASSISTANT: How much can you afford for this journey?

USER: I can pay up to 1000.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is a flight with your requirement, airline is Spirit 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 1014.

USER: Thank you for the help.

ASSISTANT: Thanks for reaching us.