You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: My name is William Campbell. I am planning to go for a round trip to New York, LGA with my parents. Would you help me to make a reservation on 06/04?

ASSISTANT: Sure, please provide your return journey date.

USER: My return date is on 06/06.

ASSISTANT: Let me know your specifications?

USER: Price limit is 500.

ASSISTANT: Delta airlines with single connection and price is 100 of 1023 flight. Shall I proceed?

USER: Yes, you can.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for aiding me.

ASSISTANT: Thank you.