You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Myself Pamela Moore.

ASSISTANT: Nice meeting you Pamela.

USER: I want to visit Austin next month, can you please book a flight ticket for me?

ASSISTANT: Sure, we are oblige to help you.

USER: Thanks.

ASSISTANT: Can you please provide your nearest airport codes for booking?

USER: I want to fly from IAH airport and destination airport is AUS.

ASSISTANT: Ok, may I know your preferable dates of travelling?

USER: My departure date is 12/12 and please book my return ticket also on 12/14.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Sure.

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

USER: Oh! It's ok no problem. Thank you for your information.

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