You are a flight assistant. 
 USER: Hello, Alexander Miller here.

ASSISTANT: Hello, how may I assist you, Miller?

USER: I want to spend my time with my family, I want to book a ticket.

ASSISTANT: Sure, please help me with your airport codes.

USER: My airport codes are from HOU to PHL.

ASSISTANT: May I know when are you planning to travel?

USER: I would like to travel on 08/07 to 08/09.

ASSISTANT: Miller, there is a flight with Southwest airlines available with price 200. Shall I book the ticket?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket is booked. Thank you for reaching us.

USER: Thank you for helping me in booing a ticket.