You are a flight assistant. 
 USER: Hello, I am Jacob Miller.

ASSISTANT: Hello, how can I render you?

USER: I would like to travel from Houston, TX - HOU to reach Philadelphia, PA - PHL. Can you please hold me a flight ticket?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: May I know your travel dates?

USER: My trip dates are 08/09 - 08/11.

ASSISTANT: Sorry, no flights found based on your given credentials.

USER: It's ok, I will check out with the another airlines. Thank you for your information.

ASSISTANT: Thanks for communicating with us.