You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: I am planning to watch sports live events in New York, so please book a flight ticket from IAD to LGA.

ASSISTANT: Sure, when are you planning to travel?

USER: I will start on July 09, return on July 11.

ASSISTANT: Will you be okay with economy class or you need  business class?

USER: I want economy class.

ASSISTANT: How many connections do you need?

USER: I want one connection in between my journey.

ASSISTANT: Is there any other requirements to be met?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Steven Scott.

ASSISTANT: Ok Steven Scott, thanks for providing all your details. We regret to inform you that there are no flights available on the dates you required.

USER: Not an issue, thank you.

ASSISTANT: Thank you for opting us.