You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Ashley Smith, can you help me to book a flight from IAD to MSP?

ASSISTANT: Sure, I am here to help you out. Please share me your trip dates.

USER: Can you book for the dates 01/20 and 01/22.

ASSISTANT: Please wait a moment.

USER: Ok, please book the ticket of 0 connection limit.

ASSISTANT: Sorry Smith, there is no flight with 0 connection limit.

USER: That's ok, thank you for booking.

ASSISTANT: Thank you for reaching us.