You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: Can you avail me to book a flight from DTW to PHL?

ASSISTANT: Sure, can you please share your preferable journey dates?

USER: My travel dates are Aug 05 and 07.

ASSISTANT: May I know your name please?

USER: Sure, Gregory Harris here.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: I am sorry to say that there is no flight found under your detail.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us.