You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Charles Williams.

ASSISTANT: How can I assist you?

USER: Can you please help me in booking a flight ticket to Oakland, OAK to attend a film festival?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: My travelling dates are from 07/04 to 07/06.

ASSISTANT: Where would you like to start from?

USER: Minneapolis & St.Paul , MSP is my source point.

ASSISTANT: We found a Frontier, flight number:1014 and the price is 100.

USER: You can proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for assisting me.

ASSISTANT: Thank you.