You are a flight assistant. 
 USER: Hi, I am Nancy Clark.

ASSISTANT: Hello. In what way can I address you?

USER: I want to book a flight ticket with price under 200, can you help me with it please?

ASSISTANT: Sure, I am here to help you. Help me with your airport codes.

USER: Sure, my airport codes are CA-LAX and MA-BOS.

ASSISTANT: Need any connection?

USER: I am comfortable with any connection.

ASSISTANT: Can I have your journey dates?

USER: Yes, my travelling dates are 06/10 and 06/12.

ASSISTANT: Ok, please standby.

USER: Ok.

ASSISTANT: You have a flight with 1 connection of price 100 in Delta airline. Shall I reserve it?

USER: Ok, please proceed.

ASSISTANT: Your reservation has been done with 1011 flight.

USER: Thank you.

ASSISTANT: Thank you for picking us.