You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Myself Edward Anderson. Can you please book a flight ticket from DTW to PHL? As I need to attend a cultural fest in Philadelphia.

ASSISTANT: Sure, can you please share me with your dates of journey?

USER: Sure, I need to travel on dates of 05/03 and 05/05.

ASSISTANT: Ok, wait for a moment please.

USER: Sure, take your time.

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

USER: Oh! It is sad to hear. Anyway, I will go with another agency this time. Thank you for your time.

ASSISTANT: You are welcome.