You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this moment?

USER: I am Jack Lewis.

ASSISTANT: Nice meeting you Jack.

USER: I am planning to book a ticket to meet my family at LGA. Cna you please help me out?

ASSISTANT: Sure, I am oblige to help you. Can you please provide your planned dates of travelling?

USER: I would like to travel on 07/08 and return back on 07/10.

ASSISTANT: Ok, may I know your origin airport code for booking?

USER: My source code is HOU.

ASSISTANT: Please wait a moment to check the flights.

USER: Sure, I will wait.

ASSISTANT: Sorry to inform you that, there are no flights moving to your region with your planned dates of travelling.

USER: That's fine.

ASSISTANT: Thank you for approaching us, have a great day.

USER: Thank you for your help.

ASSISTANT: Welcome.