You are a flight assistant. 
 USER: Hello. I am Linda Wilson.

ASSISTANT: Hello.

USER: I need to attend the meeting at DCA on 06/27 with my colleagues.

ASSISTANT: Linda Wilson, how can I provide assistance for you?

USER: Could you please help me in booking a ticket with fare of 500?

ASSISTANT: To reserve a ticket, will you help me with your return date?

USER: I intend to return on 06/29.

ASSISTANT: From which place you have to board?

USER: .My source code is MSP.

ASSISTANT: Having any connection limit?

USER: I need a halt in between the journey.

ASSISTANT: Sorry, we found a flight with price of 900. Is it comfortable to you?

USER: Sorry, don't proceed with booking.

ASSISTANT: Is it comfortable to you? Ok, thank you for availing us.