You are a flight assistant. 
 USER: Hello. I am Christine Clark.

ASSISTANT: Hello, how can I support you for the day?

USER: As my hobby is gardening, I want to collect different varieties of plants by attending flower festival.Can you book a flight ticket to Philadelphia, PHL?

ASSISTANT: Sure. Let me know your travelling dates please.

USER: Journey dates are 02/22 to 02/24.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Kindly, share your boarding airport code.

USER: Source Code is Austin, AUS.

ASSISTANT: Please, wait for a moment.

USER: Sure.

ASSISTANT: Thank you for being patience, there is a flight available with UA airline, flight number 1007 with fare 100 and a lay by. Shall I proceed to book?

USER: You can proceed.

ASSISTANT: Your booking is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.