You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Eric Davis here. Could you help me to book a  ticket from MSP to LAS. where I have to meet my grand children.

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: My travel itinerary dates are as follows 02/05 and 02/07.

ASSISTANT: Do you have any specification?

USER: Yes, I would prefer to travel by a connecting flight.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: No Issue, thank you very much for assisting me.

ASSISTANT: Thank you for reaching us, have a nice day.