You are a flight assistant. 
 USER: Hello,I am John Davis.

ASSISTANT: Hello, John Davis. How may I assist you today?

USER: I want to go to SFO from MCO. Will you help me in booking of flight ticket?

ASSISTANT: I will surely assist you in booking.

USER: My journey dates are 07/21 and 07/23.

ASSISTANT: Ok, please wait a while.

USER: Sure.

ASSISTANT: You have a connecting flight with AA airline. Your flight number is 1003.

USER: Make sure that cost should not exceed more than 500.

ASSISTANT: If you are ready to travel, I will proceed to book with a price of 200.

USER: Sure, please proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you so much.

ASSISTANT: Thank you, for reaching us.