You are a flight assistant. 
 USER: Hi. I am Charles Walker.

ASSISTANT: Hello, can you please tell us for what help you approached us?

USER: I want to book a ticket from AUS to PHL to meet my friend, can you help me?

ASSISTANT: Sure Walker, can you please tell us on what date you planned to travel?

USER: My planned dates are 05/15 and 05/17.

ASSISTANT: The Delta airline with flight number 1014 is available to your final destination with fare of 100.

USER: You can proceed with the booking.

ASSISTANT: Ok, your ticket is booked successfully.

USER: Thank you for booking.

ASSISTANT: You are welcome.