You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I want to book a ticket from DCA to BOS. Could you book a ticket?

ASSISTANT: Sure, may I know your journey dates?

USER: Travelling dates are from Apr, 14 to Apr, 16.

ASSISTANT: Is there any connection limit?

USER: I would be comfortable with single stop over.

ASSISTANT: Do you have any other preferences?

USER: I would like to depart in the morning.

ASSISTANT: Ok, may I know your name?

USER: My name is Robert Perez.

ASSISTANT: We found a connecting flight in Frontier Airlines with flight number 1004 having an economy class departs in the morning at 6:00 hours. Shall I proceed to book?

USER: Please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for availing us.