You are a flight assistant. 
 USER: Hello, I am Stephen Adams.

ASSISTANT: Hello, how may I assist you today?

USER: I want to attend Pioneer festivals at Philadelphia with the single connection. Can you help  me in booking a flight ticket?

ASSISTANT: Sure, I am glad to help you. Please, ensure your departure and destination places.

USER: I want to fly from TX - HOU to PA - PHL.

ASSISTANT: Can you please provide your journey dates?

USER: My travelling dates are from 05/26 to 05/28.

ASSISTANT: Sorry, to say we did not found any flight on your requested dates.

USER: It's ok, not an issue. Thank you for your information.

ASSISTANT: Thanks for reaching us.