You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Susan Robinson here.

ASSISTANT: How can I aid you today?

USER: Can you book a connecting flight to New York for my wedding anniversary?

ASSISTANT: Sure, I can help you in that. Can you please help me with your airport codes?

USER: Ok. My airport codes for boarding the flight are IAD to JFK.

ASSISTANT: Fine, may I know your travel dates please?

USER: My travelling dates for journey are 04/25 to 04/27.

ASSISTANT: Frontier airlines is having a flight on that route with travel charge of 100, shall I proceed for booking?

USER: Sure, you can reserve the flight ticket. I am ok with the fare.

ASSISTANT: Your ticket has been booked with flight-1024, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.