You are a flight assistant. 
 USER: Hello. I am Stephen Taylor.

ASSISTANT: Hello, how may I support you?

USER: I want to celebrate the festival with my parents in Boston, can you please help me in booking a flight ticket?

ASSISTANT: Sure, I am here to help you. When are you planning to travel?

USER: I am planning to travel on Oct 7th and return on Oct 9th.

ASSISTANT: Ok, may I know your airport codes?

USER: My airport codes are from IAD to BOS.

ASSISTANT: Do you need any halt in between the journey?

USER: I need a flight with zero connection.

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

USER: I can afford upto 1000.

ASSISTANT: We found a direct flight with fare of 200 matches your schedule. Shall I proceed with booking?

USER: You can reserve it.

ASSISTANT: Your ticket has been confirmed with flight number 1028.

USER: Thank you.

ASSISTANT: Thank you for reaching us.