You are a flight assistant. 
 USER: Hello, I am Deborah Lee.

ASSISTANT: Hello, how can I help you for the day?

USER: I have a plan to visit San Francisco once in my life time, can you book me the flight? My journey starts from DTW to SFO on 05/16 to 05/18.

ASSISTANT: Sure, can I have your price limit?

USER: The price limit is 5000 and connection is of 1.

ASSISTANT: Ok. please hold on.

USER: Sure.

ASSISTANT: There is a flight with the fare of 200 having a flight number 1005 with single connection. Shall I confirm your booking?

USER: Sure, proceed with the booking?

ASSISTANT: Your flight has been booked with Frontier airline.

USER: Thank you for helping.

ASSISTANT: Thanks for contacting us. Have a great day.