You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am David Hernandez.

ASSISTANT: How can I help you David?

USER: Can you help me in booking on 07/02 to 07/04, as there is a musical concert?

ASSISTANT: May I know your desired airport codes please?

USER: My source is SEA and destination is BOS.

ASSISTANT: There is a flight with connection limit 1 and fare 1004, is it ok for you?

USER: You can reserve it.

ASSISTANT: Your ticket is booked, flight number 1004.

USER: Thank you.

ASSISTANT: Thank you for opting us.