You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: I am Jason Roberts, going to meet my step mother after a long time.

ASSISTANT: Ok.

USER: So, can you help me booking a flight from Austin, AUS?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Do you have any connection limit?

USER: I prefer to go with one connecting flight.

ASSISTANT: Let me know your trip dates.

USER: My travel dates are 03/09-03/11.

ASSISTANT: Can I know your destination code?

USER: My destination is Philadelphia, PHL.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no connecting flight available with your given specified dates.

USER: Ok. Thanks for your quick response.

ASSISTANT: Thank you for reaching us.