You are a flight assistant. 
 USER: Hello, I am Barbara Lewis.

ASSISTANT: Hello, how may I serve you today?

USER: I want to visit the Discovery Park at Seattle, Can you book a ticket under price 5000?

ASSISTANT: Sure, please share you arrival and depart dates?

USER: My depart on 09/02 and return on 09/04.

ASSISTANT: Do you have any connection limit?

USER: I am looking for single connection.

ASSISTANT: Can you put forward your boarding and landing codes?

USER: My airport codes are NY - LGA and WA - SEA.

ASSISTANT: Please, wait for a while. Let me check the flight availability.

USER: Sure.

ASSISTANT: We are very happy to inform you that, there is a flight which matches your requirements on UA airline, flight number 1025.

USER: Ok, you can go ahead.

ASSISTANT: Your ticket has been booked with single connection of 100 fare.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us. we glad to service you.