You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am a singer, I have to take part in a contest. Could you book my ticket from EWR to MSP?

ASSISTANT: Please share me your travel dates.

USER: My itinerary dates are June 22 and 24.

ASSISTANT: Do you have any specifications?

USER: I have no preferences for my journey.

ASSISTANT: Please share me your name.

USER: Jeffrey Lopez here.

ASSISTANT: Sorry, there is no flight at this moment.

USER: No problem, thank you.

ASSISTANT: Thank you.