You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Will you please help me to book a flight from DTW to reach PHL?

ASSISTANT: Sure, can you please let me know your dates of journey?

USER: My planned dates are on Aug 12th to 14th.

ASSISTANT: Please let me know your name?

USER: Sure, my name is Patricia Carter.

ASSISTANT: Are you looking for any other help from my side please?

USER: I would like to travel in a direct flight.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry Carter, there is no flight found as per your travelling details.

USER: No issues, thank you.

ASSISTANT: You are welcome.