You are a flight assistant. 
 USER: Hello, Sarah Robinson here.

ASSISTANT: Hello, how can I help you today?

USER: I would like to meet my childhood friend on her birthday. can you please help me to book a ticket from DTW to IAD?

ASSISTANT: Sure, when are you willing to travel?

USER: My travelling dates will be on 06/17 to 06/19.

ASSISTANT: Ok, any other requirements?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, no flights found with your requested details.

USER: You can proceed to booking. Not an issue, thank you.

ASSISTANT: Thank you for reaching us.