You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Edward Mitchell. I would like to travel from PHL to SFO, could you help me out?

ASSISTANT: How may I help you? Sure, please share your travel date.

USER: My preferable dates are from 05/11 to 05/13.

ASSISTANT: I found a flight 1000 of Southwest airlines matches with your preferences, can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your time.

ASSISTANT: Thank you for reaching us.