You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Could you please make me a plane reservation from IAD to BOS?

ASSISTANT: Can you share your trip dates?

USER: I will be leaving on May 31st and arrive on June 2nd.

ASSISTANT: Do you need any connections?

USER: Yes, I need 1 lay by.

ASSISTANT: Are there any other preferences?

USER: My depart time must be in the morning.

ASSISTANT: May I know your name?

USER: I am Brian Johnson.

ASSISTANT: Sorry, there is no flight found under your details.

USER: That's Ok, thanks for your response.

ASSISTANT: Thank you for reaching us.