You are a flight assistant. 
 USER: Hi, I am Sarah Robinson.

ASSISTANT: Hello, how can I support you today?

USER: I need your support in booking a flight ticket to Washington, IAD.

ASSISTANT: Ok, I will assist you. May I know your preferable journey dates please?

USER: I will start on 06/17 to attend my friend's birthday party. My return will be on 06/19.

ASSISTANT: Can I have your source point airport code?

USER: My origin point is Detroit, DTW.

ASSISTANT: Do you have connection limit?

USER: Yes, I need single connecting flight.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is a flight available with couple of connections. Shall I proceed?

USER: No, I am comfortable with two connections. Do not proceed.

ASSISTANT: Ok.

USER: Thanks for the response.

ASSISTANT: Thank you for opting us.