You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Jerry Garcia here. I want to view a match in Minute Maid Park in Houston, TX - HOU. So, can you help me to book a flight ticket?

ASSISTANT: Can I know your travel dates? May I know your origin airport code?

USER: My travelling dates are 04/11 and 04/13. My origin is PA - PHL.

ASSISTANT: The flight 1006 of Spirit airlines is available on your requested dates. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for the booking.

ASSISTANT: You are welcome.