You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Brenda Turner. Can you help me in booking a ticket from DTW to IAD?

ASSISTANT: Sure, do you have any specifications?

USER: I need a flight with 1 connection.

ASSISTANT: May I know from where you want to travel? Help me with the travelling dates.

USER: My planning dates are from 12/01 to 12/03.

ASSISTANT: Give me a minute. Sorry, there is no connecting flight on your requested dates.

USER: It's fine. Anyway, than you for your help.

ASSISTANT: Thank you for reaching us.