You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: My name is Betty King. And I want to book a ticket.

ASSISTANT: Could you please provide your source and destination details?

USER: The country codes are from MSP to BOS.

ASSISTANT: Could you please provide your travelling details?

USER: It is from 07/19 to 07/21.

ASSISTANT: Could you please provide your price limit?

USER: Price and connection limit should be 1000 and 1.

ASSISTANT: Sorry , there is no flight available . Thank you for contacting us.

USER: No issues, thank you for your information.