You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. How can I support you today?

USER: I want to visit Detroit to meet my friend on his birthday party, and give him a surprise at the Rolling Pub. Can you assist me in booking flight ticket having a single halt?

ASSISTANT: Sure, I am here to help you. May I know on which dates you have planned to travel?

USER: I want to fly on 10/06. I will catch the return flight on 10/08.

ASSISTANT: Along with that may I know your boarding and landing codes?

USER:  I want to head from Philadelphia, PA - PHL. I will land at Detroit, MI - DTW.

ASSISTANT: Do you have any price limit?

USER: Yes, Strictly I do not want to spend more than 500.

ASSISTANT: Thank you for the details, please be on hold.

USER: Sure.

ASSISTANT: Thanks for waiting, sorry there is no flights found on your stop overs.

USER: Ok, not a problem at all.

ASSISTANT: May I know your name?

USER: Alexander Lewis is my name.

ASSISTANT: Thank you for contacting us regarding your flight ticket booking process.

USER: Thanks for the instant response without delay.