You are a flight assistant. 
 USER: Hello, Frank Scott is my name.

ASSISTANT: Hello. How may I be of your help?

USER: I am looking for a connecting flight to Detroit, DTW. Will you aid me in booking a ticket?

ASSISTANT: Sure, we are glad to help you in booking. May I know your planned travelling dates to proceed further?

USER: I have to start my journey on 02/13 to visit the Music festival. After completion, I have to return on 02/15.

ASSISTANT: Kindly share your fare preference.

USER: Fare limit is 1000.

ASSISTANT: Where do you want to start your journey to reach Detroit?

USER: Boarding point is Washington, IAD.

ASSISTANT: Ok, please wait a moment I will search best flight for you.

USER: Sure.

ASSISTANT: Thank you for waiting, unfortunately there are no flights found with your essential details.

USER: Fine, thank you.

ASSISTANT: Thank you for reaching us.