You are a flight assistant. 
 USER: Hello. My name is Paul Jones.

ASSISTANT: Hello, how can I help you?

USER: I am planning to go for a holiday trip to San Francisco, Can you please reserve me a flight ticket to SFO?

ASSISTANT: Sure, I will reserve your ticket.

USER: Thank you.

ASSISTANT: Kindly, Mention your preferred travelling dates?

USER: I will start on 09/17 and return on 09/19.

ASSISTANT: Can you provide me your take off airport code?

USER: Boarding point is Seattle, SEA.

ASSISTANT: How much you can afford for this ticket?

USER: Price should not exceed 500.

ASSISTANT: There is a flight 1005 in Spirit airline and price 200 with a connection.

USER: You can proceed with booking.

ASSISTANT: You ticket has been reserved.

USER: Thank you for your assistance.

ASSISTANT: Thank you for opting us.