You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Jonathan Thomas. Can you help me in booking from DTW to SFO?

ASSISTANT: Sure, I will help you. Please provide your travelling dates.

USER: My travelling dates are 02/17 to 02/19.

ASSISTANT: Southwest airlines with single connection and price is 400 of 1004 flight.

USER: You can confirm it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for helping.

ASSISTANT: Thank you.