You are a flight assistant. 
 USER: Hello, I am Joshua Hernandez.

ASSISTANT: Hello, how can I help you?

USER: I am planning a journey to Detroit, MI - DTW from Seattle, WA - SEA for an birthday function.

ASSISTANT: Ok.

USER: Can you please help me in booking a ticket?

ASSISTANT: Sure, I am perky to help you. May I know your starting date of journey?

USER: My starting date is 07/29.

ASSISTANT: Do you need a lay over in between your journey?

USER: Yes, I need a lay by.

ASSISTANT: May I know how much you can afford for this journey?

USER: I can afford upto 500.

ASSISTANT: Please, share your return date.

USER: My return dates is on 07/31.

ASSISTANT: Give me a minute, I will check and let you know.

USER: Sure.

ASSISTANT: Thanks for waiting. Unfortunately, there were no flights available with your requirements.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for approaching us.