You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Katherine Smith.

ASSISTANT: How may I assist you today?

USER: Can you help me in booking from PHX to DTW, as there is a business meeting?

ASSISTANT: May I know your travelling dates please?

USER: My trip dates are Jun 22 to Jun 24.

ASSISTANT: Please provide your specifications.

USER: I need a economy class.

ASSISTANT: We found a connecting flight with an airline UA of flight 1021 and fare is 100 in an economy class. Can I proceed?

USER: You can book it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.