You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please book the ticket from IAD to DTW? As I'm planning to visit Detroit.

ASSISTANT: Can you share your trip dates?

USER: Sure, my planned departure and arrival travel dates are 23rd and 25th of July.

ASSISTANT: Do you have any connection limit?

USER: I prefer single connected flight.

ASSISTANT: Are there any other preferences?

USER: No, I don't have any other specifications.

ASSISTANT: May I know your name?

USER: My name is Laura Baker.

ASSISTANT: Connecting flight number 1000 with price 100 in economy class is available. Is it ok?

USER: That's fine for me, you can proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you so much for your help.

ASSISTANT: Thank you for reaching us.