You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I be your helping hand?

USER: I am Margaret Garcia.

ASSISTANT: Ok.

USER: I would like to visit Death Valley Adventure at Denver, can you please help me to book a ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 09/12 to 09/14.

ASSISTANT: Kindly mention your location codes?

USER: From ORD to DEN.

ASSISTANT: There is a flight from an UA airline and flight number 1025 of fare 100. Shall I proceed?

USER: Yes, you can.

ASSISTANT: Your flight booking is done.

USER: Thank you.

ASSISTANT: Thanks for opting us.