You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Dennis Baker.

ASSISTANT: Yes, Dennis.

USER: I am looking for a flight from BOS to ORD, can you help me out please?

ASSISTANT: Sure, may I know your journey dates please?

USER: My trip dates are from 09/19 till 09/21.

ASSISTANT: UA airlines is having a flight with travel charge of 300, shall I proceed for booking?

USER: Ok,please proceed with it.

ASSISTANT: Your ticket has been booked with flight-1007, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.