You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you today?

USER: I want to travel from DCA to LGA, can you help me in booking?

ASSISTANT: Sure. Please specify your travel dates?

USER: My preferred dates of travelling are from 01/01 to 01/03.

ASSISTANT: Do you need any other restrictions?

USER: I need 1 connecting flight with a price limit of 200.

ASSISTANT: Ok, please wait for some time.

USER: Ok.

ASSISTANT: Thanks for your precious time. May I know your name?

USER: Myself Deborah Young.

ASSISTANT: We found a UA airline, 1019 flight with fare 100. Shall I proceed with booking?

USER: Please proceed and confirm my booking.

ASSISTANT: Your ticket has been  booked.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.