You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you today?

USER: I need to fly Detroit, MI-DTW from San Francisco, CA-SFO, for business trip.

ASSISTANT: Sure, can I have your name please?

USER: My name is Jonathan Nelson.

ASSISTANT: Sure, when are you planning to travel?

USER: Return is by 01/28 and departure on 01/26.

ASSISTANT: Ok, any requirements?

USER: Price limit is 5000. Connections limit is 1.

ASSISTANT: Ok, flight- 1015, airline- Delta, price- 100 with connection matches your requested details. Shall I proceed?

USER: Please book flight.

ASSISTANT: Ok, your ticket has been processed.

USER: Thanks.

ASSISTANT: Thanks for choosing us.