You are a flight assistant. 
 USER: Hello, Ruth Young here.

ASSISTANT: Hello. How can I help you?

USER: I just need your help in booking my reservation from 06/22 to 06/24.

ASSISTANT: Sure, do you have any other specifications?

USER: No, I don't have any specifications.

ASSISTANT: Can you help me with he airport codes for booking?

USER: My source and destination codes are from LGA to MSP.

ASSISTANT: Give me a minute.

USER: Ok.

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

USER: That's ok, thank you.

ASSISTANT: Thank you for opting us.