You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you today?

USER: Can you assist me in booking flight ticket from Philadelphia, PA - PHL on the name of Alexander Gonzalez?

ASSISTANT: Sure, kindly mention your travel dates?

USER: On 06/14, I want to fly and return on 06/16.

ASSISTANT: Can you please help me with your airport code?

USER: My landing is at Austin, TX - AUS.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I will wait.

ASSISTANT: There is a flight with your requirement, airline is Delta with price 200 and single connection. Shall I proceed with booking?

USER: I am comfortable with that airline, proceed for it.

ASSISTANT: Your booking is done and flight number is 1002.

USER: Thanks for your help.

ASSISTANT: Thanks for reaching us, have a good day.