You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you today?

USER: My name  is Gregory Perez. I want to book a ticket.

ASSISTANT: Thank you for providing your name, Can you please provide the details of journey places?

USER: My source is DTW and destination is SEA.

ASSISTANT: Thank you, Would you please give me the dates of your journey?

USER: The dates are  from Jan 26 to Jan 28 with a connection one and price limit is 1000.

ASSISTANT: Thank you, Please wait a couple of minutes. I will check the availability and revert to you back. Thank you for being patient, There are no flights available with your specifications.

USER: OK.

ASSISTANT: Thank you, Have a nice day.