You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Emma Miller.

ASSISTANT: How may I help you today?

USER: I am planning to book a ticket with price of 200, can you please help me out to book a ticket for me?

ASSISTANT: Ok, may I know your airport codes?

USER: My nearest source code is HOU and destination airport code is LAX..

ASSISTANT: Fine, let me know your travel dates to get a flight for you.

USER: I would like to travel on 03/05 and return back on 03/07.

ASSISTANT: Delta airline giving service to you with price 100 and connection 1, shall I proceed?

USER: Please proceed the booking.

ASSISTANT: Ok, your ticket has been done with flight-1018.

USER: Thank you for your service.

ASSISTANT: Thanks for choosing us.