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

ASSISTANT: Hello, how could I guide you at this moment?

USER: I am planning to visit a function at Washington DC - IAD, will you help me to book a connecting flight?

ASSISTANT: Sure, I am here to help you.

USER: Thanks.

ASSISTANT: May I know your boarding airport codes?

USER: My boarding point is Boston, MA - BOS.

ASSISTANT: Sure, when would you like to travel from DC-IAD to MA-BOS?

USER: I would like to travel on 09/08 and 09/10.

ASSISTANT: Ok, how much you can afford for a flight ticket?

USER: I can afford up to 1000 for a ticket.

ASSISTANT: There is a Frontier airline with fare of 100 matches your travelling schedule. Shall I proceed with booking?

USER: Ok, you can proceed?

ASSISTANT: Your ticket has been confirmed with flight number 1002.

USER: Thank you.

ASSISTANT: Thank you for reaching us.