You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,  how can I help you today?

USER: I need to travel from PHL to IAH, can you help me?

ASSISTANT: Sure, we are here to help you. Kindly share your travel dates.

USER: My travel dates are 10/29 and 10/31.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Please share your name.

USER: I am William Perez.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: That's ok. Thank you.

ASSISTANT: Thanks for reaching us.