You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am heading from Dallas & Fort Worth to meet my brother on his birthday at Los Angeles. Can you help me book a connecting flight?

ASSISTANT: Sure. can you please share your journey dates that you prefer to travel?

USER: I prefer to travel on 10/02 and return on 10/04.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: My source is DFW and destination is LAX.

ASSISTANT: Can I know your name?

USER: My name is Michelle Perez.

ASSISTANT: We found a Frontier airline, flight number:1009 and the price is 600.

USER: You can proceed for booking with this airline.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for the booking.

ASSISTANT: Thank you for reaching us.