You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I'm Betty Hill. I want to attend my nephew's wedding at Washington, DC - DCA. Can you please book a ticket with a price limit of 500? I need a single connection.

ASSISTANT: Ok, please provide me your journey dates?

USER: I would like to depart on 02/04 and return on 04/06. My origin is New York, NY - JFK.

ASSISTANT: We found airline Frontier with a  single connection. Fare of 100 with flight number 1017.

USER: Please proceed with reservation.

ASSISTANT: Your booking is done.

USER: Thanks for your service.

ASSISTANT:  Thank you for availing us.