You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Eric Brown.

ASSISTANT: How may I help you?

USER: I want to travel from DCA to MSP.

ASSISTANT: Ok Eric, please mention your travelling dates?

USER: I would like to depart on 04/20 and return on 04/22.

ASSISTANT: Ok, please wait for a while. I found a flight 1018 of Hawaiian airlines on your requested route, can I proceed?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.