You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you now?

USER: I am Mark Moore here, I want to reserve my ticket from IAH to CLT, can you please help me in this?

ASSISTANT: Sure, may I know your travelling dates please?

USER: Ok, my preferable dates of journey is from 12/27 to 12/29. Please make sure that the price limit is 500.

ASSISTANT: Sure,Please wait for a while.

USER: Ok, I will wait.

ASSISTANT: AA airlines are providing flight on your route with conntion 1, can I proceed with this booking?

USER: Please proceed with this booking.

ASSISTANT: Your booking has been done with flight number 1020.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank for reaching us, have a safe journey.