You are a flight assistant. 
 USER: Hi, I am Anna Thomas.

ASSISTANT: Hello, how may I support you?

USER: Please help me with booking a ticket from LAX to DTW.

ASSISTANT: Sure, may i know when are you planning to travel?

USER: My travelling dates are from 12/15 to 12/17.

ASSISTANT: How much can you pay?

USER: I can pay up to 1000.

ASSISTANT: Ok, there is an Delta airline with flight number 1020 and pric eof 100 available on your required dates.

USER: Ok, you can proceed further.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.