You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Catherine King here. Reserve a flight ticket that is from PHL to DCA.

ASSISTANT: Sure, may I know on what dates you need booking?

USER: My travel dates are 06/07 to 06/09.

ASSISTANT: The UA airline with flight number 1029 is available having price as 200 and connection as 1. Would you like me to book this plane ticket?

USER: Sure, you can book the flight ticket.

ASSISTANT: Ok, your plane ticket is booked.

USER: Thank you.

ASSISTANT: My pleasure.