You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Pamela Hill here.

ASSISTANT: How can I support you now?

USER: Book a ticket from LGA to AUS, to meet my sister on her birthday.

ASSISTANT: Sure, can you please mention the travelling dates of your journey?

USER: Sure, my trip dates should be 10/31 and 11/02.

ASSISTANT: Thank you for your information, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, there are no flights found on your requested dates.

USER: It's ok, thanks for your information.

ASSISTANT: Do you have any other plans to travel?

USER: Nothing, I will concern another agency to full fill my trip. Thanks for giving enough information.

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