You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Betty Walker.

ASSISTANT: How can I help you?

USER: I want to book a flight ticket with a single connected flight in the month of June. Can you please help me to book a flight ticket from IAD - DTW?

ASSISTANT: On which dates you like to travel?

USER: My travelling dates are 06/21 and 06/23.

ASSISTANT: There is a flight with single connection, can I proceed for booking in 1004 flight?

USER: Yes, please proceed with my booking.

ASSISTANT: Your booking is done.

USER: Thank you for booking my flight ticket.

ASSISTANT: Thank you for choosing us.