You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Samantha Parker here. I would like to book a ticket from MSP to JFK.

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travel dates are as follows Feb 21 and Feb 23.

ASSISTANT: Do you have any specific depart and return time for this trip?

USER: I would like my return time in the evening.

ASSISTANT: Do you have any limits on number of connections?

USER: I would like to board a single connection flight.

ASSISTANT: Unfortunately, no flights available on your requirements.

USER: No problem, thank you for the time.

ASSISTANT: Welcome, thank you for reaching us.