You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a ticket from DTW to LAX to attend Sports meet.

ASSISTANT: Sure, we are pleased to serve you.

USER: Can you please book a ticket with single connection?

ASSISTANT: Can you share me your itinerary dates?

USER: My travelling dates June 21 and June 23.

ASSISTANT: Do you need any way station in your journey?

USER: Yes, I prefer single way station.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: Do you have any other preferences?

USER: Yes, I prefer normal-cost airline.

ASSISTANT: May I know your good name please?

USER: Sure, Emma Collins here.

ASSISTANT: Sorry to say, there are no flights available with your needs.

USER: Ok, Thank you.

ASSISTANT: Thank you for availing us.