You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Margaret Thompson.

ASSISTANT: How can I assist you Margaret Thompson?

USER: I would like to visit Orlando Zoo with my brother, please help me in booking a ticket.

ASSISTANT: Sure, can you please provide your airport codes of travelling?

USER: My source and destination airport codes are SFO and MCO.

ASSISTANT: May I know on which dates you are willing to travel?

USER: My planned dates are from 05/14 to 05/16.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: There is a service with AA airlines with a ticket fare of 100 only, shall I book your ticket?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket is confirmed successfully with flight number 1009.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for choosing our service, have a safe flight.