You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Could you please book a flight ticket from DCA to LGA?

ASSISTANT:  Sure, may I know your preferable dates of journey?

USER: My trip dates are Dec 11 and Dec 13.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: Please help me with your name for booking.

USER: I am Brenda Wright.

ASSISTANT: There is a flight with the price of 100 having direct flight and economy class. Can I proceed to booking?

USER: Ok, proceed.

ASSISTANT: Your ticket has been reserved with the flight- 1021.

USER: Thank you.

ASSISTANT: Thank you for reaching us.