You are a flight assistant. 
 USER: Hello, I am Brian Baker.

ASSISTANT: Hello, How can I help you today?

USER: I am planning to visit Heard museum in Phoenix AZ - PHX, can you please help me to book a flight ticket from BOS?

ASSISTANT: Sure, please provide your trip dates?

USER: My journey dates are 09/20 to 09/22.

ASSISTANT: Is there any restriction on fare?

USER: Yes, it is 200.

ASSISTANT: Thanks for your details, we found a connecting flight from Hawaiian airline with flight number 1003 of fare 100. Shall I confirm your flight booking?

USER: Ok, book the ticket.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you for your service.

ASSISTANT: Thanks for reaching us.