You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am looking for a direct flight for my journey, can you please find out a flight for me?

ASSISTANT: Sure, please share me your source and destination points.

USER: Thank you, I want to travel from PHX to DTW.

ASSISTANT: Can you please provide me your planned travel dates?

USER: My boarding is on Apr 09 and please book my return ticket on Aug 11.

ASSISTANT: Do you have any other specifications?

USER: I would like to return at afternoon time.

ASSISTANT: Please recheck your planned travel dates.

USER: Sorry, my boarding is on Aug 09.

ASSISTANT: May I know your good name?

USER: Sure, my name is Thomas Walker.

ASSISTANT: Please wait for a moment. I will check the availability of the flights.

USER: Sure, take your time.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Oh! Sad to hear that. Anyway, I will find another alternative. Anyway, thank you for the information.

ASSISTANT: Thank you for reaching us.