You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Sure, I am here to help you. Can you please mention your travel dates?

USER: Thank you. I have planned my travel dates as Feb 12 and Feb 14.

ASSISTANT: Ok, please mention your preference about the connection limit.

USER: I am looking for single connecting flight so please check with that.

ASSISTANT: Is there any other specifications?

USER: No, I do not have any more specifications.

ASSISTANT: Ok, please tell me your full name to proceed further.

USER: Sure, myself Mary Moore.

ASSISTANT: There is a flight in the Southwest airlines with the connection limit 1 and the ticket cost is 200 in an economy class. Shall I reserve it?

USER: That is fine, please proceed with booking.

ASSISTANT: I have booked your ticket with the flight number 1018.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.

USER: Most welcome.