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

ASSISTANT: Hello. How may I help you?

USER: I would like to book a ticket to Washington to meet my college friends there, please help me in booking a ticket from BOS to IAD.

ASSISTANT: Your date of journey please?

USER: The travel dates are from 12/24 to 12/26.

ASSISTANT: There is a flight with 1000-flight it cost you 100. Shall I proceed for booking?

USER: Yes, please proceed booking my ticket.

ASSISTANT: your seat is confirmed in Frontier airlines with 1 connection.

USER: Thank you for your help.

ASSISTANT: Have a happy journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.