You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you.

USER: I want to book a flight to visit my grandfather because he is in ICU, can you help me?

ASSISTANT: Sure, when you want fly?

USER: I will be travelling on 07/22 to 07/24.

ASSISTANT: Where you want to fly?

USER: My airport codes are from AUS to PHL.

ASSISTANT: Just a moment please.

USER: Ok.

ASSISTANT: I find a flight with 1022 number, can I proceed for booking?

USER: Ok, book my reservation by the name of Joseph Williams.

ASSISTANT: Your booking is done in Jet blue airlines, it costs you 100.

USER: Thank you for booking my tickets.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.