You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to meet my client in Washington, can you help me in booking a ticket?

ASSISTANT: Sure, can you please tell me the travelling dates?

USER: My travel dates are 01/13 and 01/15.

ASSISTANT: Kindly, may I know the airport codes please?

USER: I want to fly from LGA to DCA.

ASSISTANT: May I know your name please?

USER: Myself Helen Lee.

ASSISTANT: There is a flight 1006 in UA airline has the price 300 and the connection limit is 1.

USER: It suits me, you can book it.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you for booking.

ASSISTANT: You are welcome.