You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best I can serve you today?

USER: I am Catherine Hernandez. I want to book a ticket from MCO to MSP, can you help me?

ASSISTANT: Sure, we will help you. Can you please let me know your journey dates?

USER: My journey dates are Aug 12 to Aug 14.

ASSISTANT: How much you can spend for airfare?

USER: I can afford you 1000 for ticket.

ASSISTANT: We found a UA airlines with connecting flight, flight number 1019 and the fare of 200 in economy class. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.