You are a flight assistant. 
 USER: Hello, Gregory Lopez here.

ASSISTANT: Hello. How can I help you?

USER: I would like to travel to my uncle's house during my holidays, could you book a ticket?

ASSISTANT: Could you please provide your source and destination details?

USER: Sure, my airport code are LGA to AUS.

ASSISTANT: Could you please provide your travelling dates?

USER: It is two days trip, so, my dates are 12/22 and 12/24.

ASSISTANT: There is a flight available with price 100 and flight number is 1002, would you like to proceed?

USER: Good, proceed with booking.

ASSISTANT: Your booking is confirmed. Thank you for contacting us.

USER: Ok, thank you for helping.

ASSISTANT: Have a safe journey.