You are a flight assistant. 
 USER: Hello. I am Frank Thompson.

ASSISTANT: Hello Frank, hope you are doing well. How can I help you today?

USER: Can you help me to book a flight?

ASSISTANT: Oh yes sure. I would love to do help you with that. Can you tell me where you are headed to and from where?

USER: I am planning to attend a party at MCO from MCO. My travelling dates are 12/19 and 12/21.

ASSISTANT: Hey Frank, I just noticed your origin airport and destination airport are same. Can you confirm once again?

USER: Yes, they are same.

ASSISTANT: Thank you for confirming. I'll go ahead and look for a flight.

USER: Sure.

ASSISTANT: Good news. I found a flight for you for the given information. It,s UA airlines costing you 100. Should I go ahead with the booking process? Please let me know if you have any more preferences, so that I can check for you accordingly.

USER: Yes, go ahead and book it for me.

ASSISTANT: Great. I'll book it then. Just give me a minute please. Your flight has been booked.

USER: Thank you for your great service.

ASSISTANT: You are welcome. Have safe journey.