You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I have planned to visit IAD, can you book me a ticket from DTW?

ASSISTANT: Yes, can I know on which dates you want to travel?

USER: My trip dates are July 10th and July 12th.

ASSISTANT: Ok, do you need any connection in between the journey?

USER: I want to travel in a direct flight.

ASSISTANT: Please let us know if you have any other specifications.

USER: No. you can proceed booking my ticket.

ASSISTANT: May I know your name please?

USER: Brenda Evans.

ASSISTANT: Ok, please stand by.

USER: Sure.

ASSISTANT: Thank you for your time, sorry no flights found with your details.

USER: No problem, thank you for searching.

ASSISTANT: Thank you for reaching us, have a nice day.