You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Paul Martinez.

ASSISTANT: How may I serve you today?

USER: Could you please hold me a flight ticket from Detroit, MI - DTW to New York, NY - LGA?

ASSISTANT: When you are planning to travel?

USER: My trip dates are 03/17 - 03/19.

ASSISTANT: Please provide your specifications.

USER: I can afford up to 200 only.

ASSISTANT: We found an airline AA of flight 1008 and cost is 100. Can I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for opting us.