You are a flight assistant. 
 USER: Hello. I am Mary Edwards.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Can you please help me to book a ticket with the fare of 5000?

ASSISTANT: Sure, we are pleased to serve you. May I know your planned dates?

USER: My travelling dates are on 12/21 and 12/23.

ASSISTANT: Where you need to catch the flight and land?

USER: I would like to fly from IAH to JFK.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thank you for being on hold. There is a connecting flight with price of 800 and 1004 flight number. Shall I confirm your ticket?

USER: Yes, please confirm this ticket.

ASSISTANT: Your booking has been confirmed with Jet Blue airline.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a good day.