You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My name is Samantha Hernandez. I would like to change my reservation, could you help me out?

ASSISTANT: Please wait a while. There is a reservation on your name, please share your desired travel dates.

USER: That's ok. Thank you for your time.

ASSISTANT: Please share your desired travel dates.

USER: My preferable dates are from 05/06 to 05/08.

ASSISTANT: Can I know your airport codes please?

USER: My airport codes are DCA to MSP.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked, flight number 1005.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.