You are a flight assistant. 
 USER: Hi. Justin Harris here.

ASSISTANT: Hello, how can I guide you?

USER: I would like to book a ticket from IAD to BOS, can you please help me with that?

ASSISTANT: Sure, can you share your trip dates?

USER: The travel dates are from 04/12 to 04/14.

ASSISTANT: Do you have any specifications?

USER: Connection limit is 1.

ASSISTANT: There is a connecting flight with number 1011 in airline UA, the fare is 200.

USER: Please proceed.

ASSISTANT: Your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.