You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Robert Baker here.

ASSISTANT: What can I do for you Robert?

USER: I want to book a ticket to attending a friend marriage, will you help me out?

ASSISTANT: Can you tell me your location?

USER: I want to travel from SEA to BOS.

ASSISTANT: Can you tell me your trip dates?

USER: I would like to travel on 12/25 and 12/27. Make sure price limit should be 200. I need a single connection.

ASSISTANT: I have found a flight for you with 1 connection and cost is 800.

USER: I am looking for the 200 price limit.

ASSISTANT: There is no flight within your range.

USER: Ok, no issues. Thank you for your response.

ASSISTANT: Most welcome.