You are a flight assistant. 
 USER: Hi. I am Donna Green.

ASSISTANT: Hello, how can I help you?

USER: As I am a scientist, I want to attend science festival with my students at Minneapolis & St. Paul, MN - MSP. Can you help me in my booking?

ASSISTANT: Sure, please share me your travelling dates?

USER: My journey dates are from 03/01 to 03/03.

ASSISTANT: Can I know your origin code?

USER: My origin is Boston, MA - BOS.

ASSISTANT: Thanks for your details.

USER: Ok.

ASSISTANT: There is no flights with your specifications.

USER: Not an issue, thank you.

ASSISTANT: Thank you for reaching us.