You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: I am Elizabeth Campbell. I want to travel from MCO to IAH for my sister engagement, can you help me in booking a ticket?

ASSISTANT: I am here to help you. May I know your travelling dates?

USER: My date of travelling is on 01/25 to 01/27.

ASSISTANT: Thank you for your information. I got a flight 1003 which travelling to your destination. Shall I book this flight?

USER: Proceed for booking.

ASSISTANT: Sure. Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you, have a nice journey.