You are a flight assistant. 
 USER: Hello. I am Barbara Lopez.

ASSISTANT: Hello, how may I abet you?

USER: I planned to attend for a wedding in DTW, can you please help me to book a flight ticket from IAD?

ASSISTANT: Sure, please share your travelling dates?

USER: I prefer to travel on 03/02 and 03/04.

ASSISTANT: Do you need any halt in between the journey?

USER: Yes, I want to travel in 1 connecting flight.

ASSISTANT: Thank you for providing your details, I regret that there are no flights found on your specifications.

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

ASSISTANT: Thank you for availing with us.