You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you help me in booking a flight ticket to BOS from IAD in June month?

ASSISTANT: Sure, can you help me with your travel dates?

USER: Sure, my travelling dates are June 29 and July 01.

ASSISTANT: Do you need any connections?

USER: Yes, I need single connecting flight for my journey.

ASSISTANT: Are there any specifications?

USER: No.

ASSISTANT: May I know your name?

USER: Sure, my name is Barbara Phillips.

ASSISTANT: Sorry to say that, there is no flight found with your details.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for reaching us.