You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I succour you?

USER: I want to go to New York, NY - LGA to attend baby shower ceremony of my sister. Please help me to book tickets.

ASSISTANT: Sure, I will aid you.

USER: Thank you.

ASSISTANT: When do you want to travel?

USER: I will leave on 01/21 and return back on 01/23.

ASSISTANT: Please provide your source code.

USER: I will board from Seattle, WA - SEA.

ASSISTANT: Hold on a minute, let me search a prefect flight for you.

USER: Sure.

ASSISTANT: Thanks for holding on, we found a flight on spirit airline, flight number as 1003 with the fare of 100.

USER: Is it a connecting flight?

ASSISTANT: Yes, it is connecting flight.

USER: Please go ahead and book it.

ASSISTANT: May I know your name for further booking process?

USER: My name is Patrick Hall.

ASSISTANT: Your reservation has been done.

USER: Thank you for your support.

ASSISTANT: Thank you.