You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Please reserve me a flight ticket running in between the points Philadelphia to Austin?

ASSISTANT: Sure, please share me your travelling dates?

USER: On 08/29, I want to start my journey and I will return on 08/31.

ASSISTANT: Kindly assign me your airport codes?

USER: I want to board from Philadelphia International airport, PHL and land on AUS.

ASSISTANT: May I know your name?

USER: Amy Lee, is my name.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We found 1005 Delta airline with single connection and price of 100. Shall I proceed with booking?

USER: Perfect, go on with booking.

ASSISTANT: Your booking is done.

USER: Thanks for your help.

ASSISTANT: Thank you.