You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Ruth Phillips.

ASSISTANT: How may I help you?

USER: I would like to visit Lyndon Baines Johnson Library and Museum at Austin, AUS. can you help in finding a flight from LGA?

ASSISTANT: Ok, mention your trip dates too.

USER: I like to travel on 11/14 and I will be back on 11/16.

ASSISTANT: Please wait a moment, let me check the flight.

USER: Sure.

ASSISTANT: Sorry, there is no flight available on your route.

USER: That's ok, thank you fo your help.

ASSISTANT: Thank you for choosing us.