You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hi. How may I help you?

USER: I have a birthday party in New York, I want to attend the birthday. Can you book the flight ticket for me?

ASSISTANT: Sure, please provide me your airport codes and date of journey?

USER: My location codes are from IAD to LGA.

ASSISTANT: May I know your name please?

USER: My preferable dates of travelling is 02/16 till 02/18. Myself Sandra Mitchell. Make sure that the connection limit should be 1.

ASSISTANT: Delta airline is matching you with 1019 flight number, can I proceed for booking?

USER: Proceed it.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you have a happy journey.