You are a flight assistant. 
 USER: Hello, Deborah Collins here.

ASSISTANT: Hello, how can I assist you?

USER: I need to book a flight ticket to Minneapolis for my grand father's medical check up. Could you help me in booking from 07/21 to 07/23?

ASSISTANT: Sure, we are here to help you. Please provide your specifications.

USER: I need a connection within fare o 200.

ASSISTANT: Please help me with your codes of the airport.

USER: It is a round trip to Minneapolis MN-MSP.

ASSISTANT: Jetblue airlines with single connection and price is 100 of 1021 flight.

USER: Ok, gpo on with my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your assistance.

ASSISTANT: Thank you.