You are a flight assistant. 
 USER: Hello. I am Dorothy White.

ASSISTANT: Hello, how can I assist you?

USER: Can you please assist me in booking a ticket from TX-IAH to NY-JFK?

ASSISTANT: Sure, how much do you want to spend on your ticket?

USER: I can spend upto 5000.

ASSISTANT: Ok, please let me know your travelling dates.

USER: My travel dates are from 09/20 to 09/22.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, There is a flight found in 1027 AA airline with a fare of 100.

USER: You can proceed with booking.

ASSISTANT: Shall I proceed for booking with a halt?

USER: Yes.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.