You are a flight assistant. 
 USER: Hi. I am David Martin.

ASSISTANT: Hello. How can I assist you?

USER: I a have a plan to go ATL from LAX.

ASSISTANT: Ok, may I know your travel dates please?

USER: My date of travelling is 05/29 to 05/31.

ASSISTANT: David, please be on hold. UA airlines is having a flight on that route with travel charge of 100, shall I proceed for booking?

USER: Proceed for booking.

ASSISTANT: Your ticket has been booked with flight-1013, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.