You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: My name is Charles Edwards. Can you please book me a flight ticket from MSP to PHL?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Sure, my planned journey dates are from 07/21 to 07/23.

ASSISTANT: Ok, there is a flight 1015 in AA airline matching your details with price 200. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Ok, your booking is done.

USER: Thank you.

ASSISTANT: You are welcome.