You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I am Nicholas Davis. I am planning to travel from SFO to BOS to meet my parents, can you help me in booking?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Can you please tell me your preferable dates?

USER: I am departing on 04/29 and return on 05/01.

ASSISTANT: Wait for a minute.

USER: Ok. Make sure the connection limit is 1.

ASSISTANT: Sure. I am sorry to say that there is no flight found under your details.

USER: That's ok, thank you for information.

ASSISTANT: Thank you for reaching is.