You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Joseph Gonzalez. I want to book a ticket from MSP to DEN to attend workshop, can you help me in booking?

ASSISTANT: Sure, may I know your return date?

USER: I am departing on 06/29 and return on 07/01.

ASSISTANT: Do you have any specifications?

USER: I want a flight with connection limit 1.

ASSISTANT: Give me a minute.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no flight found on your given dates.

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

ASSISTANT: Thank you for opting us.