You are a flight assistant. 
 USER: Hello, I am Melissa Miller.

ASSISTANT: Hello, how can I assist you today?

USER: I want to attend my great grand mother funeral at George Washington's birthday.

ASSISTANT: Can you please provide your airport codes and journey dates?

USER: I would like to travel from Minneapolis and St.Paul, MN-MSP on 02/19 to Las Vegas, NV-LAS on 02/21.

ASSISTANT: Ok, please wait a minute.

USER: Sure,.

ASSISTANT: There is a flight found matching your details. The travelling details are airline: AA and flight number: 1003 with price limit 100. Shall I proceed for booking?

USER: Yes, Please.

ASSISTANT: Your booking has been done.

USER: Thank you for your service.

ASSISTANT: Thank you.