You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Gregory Lee. I am planning to travel from MCO to DEW, can you help in booking?

ASSISTANT: Sure, please provide me your journey dates.

USER: My date of travelling i son 04/29 to 05/01.

ASSISTANT: Please provide correct destination airport code.

USER: My airport codes are MCO to DFW.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Lee, I found a flight in Delta airlines available with price 100. Shall I book the ticket?

USER: Proceed for booking.

ASSISTANT: Your ticket is confirmed and the flight number is 1004.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.