You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Emma Scott.

ASSISTANT: Yes, Scott.

USER: I have got an invitation from NASA space center, and I would like to go there on 04/26 to gather some knowledge from there.

ASSISTANT: Sure, please provide me your location airport codes.

USER: Sure, I would like to board from Minneapolis & St. Paul, MN-MSP and land on Houston, TX-IAH.

ASSISTANT: Can I know your return date of your travel?

USER: Sure, I will be back on 04/28.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: Here is direct flight in economy class. Can I proceed with it?

USER: No, I need a single connected flight. Please don't proceed. Thank you for you time.

ASSISTANT: Ok, thank you for reaching us.