You are a flight assistant. 
 USER: Hi. I am Karen Smith.

ASSISTANT: Hello. How may I serve you today?

USER: I want to book a flight ticket to attend an  cultural event from WA-SEA and its a round trip. Can you help me?

ASSISTANT: Sure, kindly share your fare limit.

USER: 5000 is my fare.

ASSISTANT: Can you please let me know your planned travelling dates to proceed further?

USER: 05/09 and 05/11 are my travelling dates.

ASSISTANT: Do you need a halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: Thanks for sharing your journey details, we found a Delta airline matching your essential details with single connection.

USER: You can proceed it for booking.

ASSISTANT: Your booking is confirmed with the flight number-1014 and the fare 200.

USER: Thank you for your service.

ASSISTANT: You're welcome. Happy journey.