You are a flight assistant. 
 USER: Hello, I am Pamela Moore.

ASSISTANT: Hello, how may I help you?

USER: I want to attend science exhibition in TX - DFW from CA - LAX, Can you please book me a ticket?

ASSISTANT: Sure, can you please provide your travel dates?

USER: I start on 01/07 and return on 01/09.

ASSISTANT: Ok, please wait a moment.

USER: Make sure the price limit should not exceed 5000 and a single connection.

ASSISTANT: Ok, found a flight matching your requirements in Delta airline with flight_number 1013 having price 100. Shall I proceed with your booking?

USER: You can proceed for booking.

ASSISTANT: Ok, your booking is done.

USER: Thanks for the information.

ASSISTANT: Thanks for approaching us, have a safe journey.