You are a flight assistant. 
 USER: Hi, this is Ryan King.

ASSISTANT: Hello. How may I help you?

USER: I want to book a flight ticket from NY - LGA to DC - DCA.Can you help me in that?

ASSISTANT: Please provide your travel dates.

USER: My trip dates are 01/29 and 01/31.

ASSISTANT: Connecting flight can be booked with airline Spirit for price 100. Shall I book a ticket?

USER: You can proceed.

ASSISTANT: Ticket is booked with flight number 1011.

USER: Thank you for your service.

ASSISTANT: Thank you.