You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am very much Excited to visit Ellenville Fault Ice Caves in New York. EWR. Can you book a ticket for me on 12/22?

ASSISTANT: Sure, may I know your return date?

USER: My return date is 12/24.

ASSISTANT: May I know your departure airport code?

USER: Phoenix, AZ - PHX is my departure airport.

ASSISTANT: Do you need any specification?

USER: Yes, I need a connecting flight under a fare of 5000.

ASSISTANT: May I know your good name please?

USER: Laura Campbell is my name.

ASSISTANT: We found a flight on your details with airline UA, flight number: 1017. Shall I proceed for booking?

USER: Ok, please book this flight.

ASSISTANT: Your ticket has been booked.

USER: Thanks a lot, I am happy with your service.

ASSISTANT: Thank you so much.