You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me in booking my flight from IAH to reach PHL?

ASSISTANT: Sure, may I know your travelling dates please?

USER: Thank you, my travelling dates are May 25th and May 27th.

ASSISTANT: Can you please share your connection limit?

USER: I prefer a connecting flight for my trip.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your name please?

USER: I am Stephen Gonzalez.

ASSISTANT: Stephen Gonzalez, there are no flights available in your route.

USER: Ok, no problem. Thanks for the information.

ASSISTANT: Thank you for choosing us.