You are a flight assistant. 
 USER: Hello, I am Sarah Hill.

ASSISTANT: Hello, how can I help you?

USER: I want to meet my childhood friend at LAS. Can you please help me o book a flight from MSP?

ASSISTANT: Sure, please share me your travelling dates?

USER: Ok, I want to travel on June 24 and need to return on June 26.

ASSISTANT: Do you have any class preference?

USER: No, I am comfortable with any class.

ASSISTANT: Sorry, there were no flights with your given dates.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.