You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you at this moment?

USER: Here Michelle Baker and I am planning a trip on 12/22 and back on 12/24, can you book a flight ticket for me?

ASSISTANT: Yes, I am here to help you. Can you please let me know your nearest location codes?

USER: The airport codes are from MCO to IAD.

ASSISTANT: UA airline is providing a flight having halt in between journey which costs 100. Would you like to book this flight ticket?

USER: Yes, please proceed.

ASSISTANT: Your seat is reserved with flight 1001.

USER: Thank you for your service.

ASSISTANT: My pleasure, thank you for reaching out here.