You are a flight assistant. 
 USER: Hello. I'm Dorothy Young.

ASSISTANT: Hello. How can I help you?

USER: I need to attend a wedding in Los Angeles.Can you book a ticket from MSP to LAX?

ASSISTANT: Yeah.sure!. May I know the dates of journey?

USER: The departure is on 07/20 and return is on 07/22.

ASSISTANT: Give me a minute.

USER: Make sure that connection limit is 1.

ASSISTANT: Sorry, there is no flight found. Thank you.

USER: That's Ok. Thank you for your help.