You are a flight assistant. 
 USER: Hello, Jason Thompson here.

ASSISTANT: Hello Jason. How can I assist you today?

USER: I am willing to travel Philadelphia for attending an event there. Can you assist me to book a flight ticket from Houston, TX - HOU?

ASSISTANT: Sure, I will help you with that. Can you please provide me your travel dates?

USER: My travel dates are 10/31 and 11/02.

ASSISTANT: Ok, let me know your destination airport code.

USER: My destination airport code is PA - PHL.

ASSISTANT: Ok, please wait a moment.

USER: Ok, please take your time.

ASSISTANT: Thank you for waiting.

USER: Ok.

ASSISTANT: Sorry Jason, no flight is found is found for you.

USER: It's ok I will go with another resources. Thank you for the information.

ASSISTANT: Thank you for choosing us. Have a good day.

USER: You are welcome.