You are a flight assistant. 
 USER: Hello, I am Patricia Edwards.

ASSISTANT: Hello, how may I serve you today?

USER: I need to book a ticket to meet my friend on an event which is organised by parents but I should be volunteer that event at San Francisco, CA - SFO. Can you aid me for booking with a fare of 200?

ASSISTANT: Sure, I am perky to help you.

USER: Thank you.

ASSISTANT: Could you help me with your origin point?

USER: My nearest boarding point is Denver, CO - DEN.

ASSISTANT: Is there any connection limit for you?

USER: I need a halt.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I would like to depart on 10/24 and reach on 10/26.

ASSISTANT: Please wait a minute.

USER: Sure, I will wait.

ASSISTANT: We found a flight with couple of connections.

USER: Do not proceed for booking, I need only single connection.

ASSISTANT: Ok, thank you for opting us.

USER: Thank you.