You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: My name is Jeffrey Collins, and I would like to book a ticket to Austin to attend Autoshow  event with my cousin. Can you make a reservation?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, my travelling dates are 05/02 and 05/04.

ASSISTANT: Please share your airport codes?

USER: And my destination and source points are AUS and PHL.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thank you for waiting. Unfortunately there are no flights found with your given details.

USER: Ok, no problem. I appreciate your service.

ASSISTANT: Thank you for approaching us.