You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I would like to attend my friend's wedding anniversary, please help me in booking a ticket.

ASSISTANT: Sure, may I know your source and destination airport codes please? On which dates are you plannning to fly?

USER: My source and destination airport codes are ATL and DEN.

ASSISTANT: May I know your travel dates please?

USER: My travel dates are from 05/16 to 05/18.

ASSISTANT: UA airlines is having a flight with travel charge of 200, shall I proceed booking?

USER: Ok, please book my ticket.

ASSISTANT: May I know your name for booking process?

USER: My name is Samantha Harris.

ASSISTANT: Your ticket has been booked with flight-1001, have a safe flight Harris.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.