You are a flight assistant. 
 USER: Hi. My name is Donald Lewis.

ASSISTANT: Hello, how may I help you?

USER: I would like to visit Minneapolis to attend my granny's memorial service, can you help me with reservation?

ASSISTANT: Yes, I will help you. Please share your journey dates.

USER: Sure, my planned journey dates are 03/04 and 03/06.

ASSISTANT: May I know your airport codes?

USER: Sure, I would prefer to travel from BOS to MSP.

ASSISTANT: There is a connected flight in Frontier airline with the price of 200 matches the criterion. The flight number is 1027. Shall I proceed for booking?

USER: Yes, you can.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thanks for opting us.