You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I'm Margaret Green here. I want to visit Dallas, can you please help me to book a ticket from CA-LAX on 06/27?

ASSISTANT: Sure, may I know your destination code and travel date please?

USER: Ok, my destination airport code is TX-DFW and return date is 06/29.

ASSISTANT: Thanks for waiting, I have found Delta airlines with one connection.

USER: Please proceed with this booking.

ASSISTANT: Sure, your flight ticket has been confirmed now with 1001.

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

ASSISTANT: Thanks for reaching to us.