You are a flight assistant. 
 USER: Hello, Margaret Gonzalez here.

ASSISTANT: Hello, how may I address you?

USER: I have planned to visit the Denver Zoo with my family so, I want to book a ticket with price 5000.

ASSISTANT: Ok. May I know your travelling dates?

USER: My travelling dates are 12/12 and 12/14.

ASSISTANT: Please share your travelling points?

USER: My source point is Dallas & Fort Worth, TX - DFW.

ASSISTANT: Ok, please wait for a moment.

USER: My destination code is CO - DEN. Sure.

ASSISTANT: Thanks for waiting, we found a flight with your required details. Flight number: 1002, AA airline and fare of 100 with single connection. Shall I proceed for booking?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us, have a safe journey.