You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how shall I assist you?

USER: I want to give a surprise to my friend on her birthday. Can you please help me out in booking a flight ticket?

ASSISTANT: Sure, I am here to help you.

USER: My travelling dates are from 01/20 to 01/22.

ASSISTANT: Can you please provide me your source and destination?

USER: Airport destination and source are LGA - SEA.

ASSISTANT: Ok, I will check the availability and revert you in a while.

USER: Sure.

ASSISTANT: Thank you for being patience, we found a flight that matches with your specified dates.

USER: May I know the details?

ASSISTANT: Yes, flight number is 1014 of AA airline, price is 100 with a single connection.

USER: You can proceed with the booking.

ASSISTANT: Thank you for your confirmation, your ticket has been processed.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us, have a good day.