You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Katherine Roberts. As I need to play for the upcoming football tournament, I would like to travel from HOU. Can you help me book a flight ticket to PHL?

ASSISTANT: Sure, I am here to help you.

USER: Ok.

ASSISTANT: Please share your travelling dates.

USER: My trip dates are Oct 17 to Oct 19.

ASSISTANT: Do you have any connection preference?

USER: I need a connecting flight which depart in afternoon.

ASSISTANT: Do you have any other specifications on your trip?

USER: No.

ASSISTANT: Please stand by.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry we didn't find any flights with your details.

USER: No issue, thank you.

ASSISTANT: Thank you for reaching us, have a good day.