You are a flight assistant. 
 USER: Hi, Richard Phillips here.

ASSISTANT: Hello, this is ABC flight booking agency.

USER: My friend met an accident, so I would like to take him for health checkup in IAD, can you help me booking flights from DTW?

ASSISTANT: In order to go for the booking I need your travel dates?

USER: I am going to start my travel on 01/20 to 01/22.

ASSISTANT: I can certainly help you with the flight booking. Please wait.

USER: Ok, I will wait for your response.

ASSISTANT: Ok, I am assuring you a flight that is Hawaiian airlines. It is going to cost you 100.

USER: Ok, proceed to booking Hawaiian airline.

ASSISTANT: Sure. Your flight reservation is done now.

USER: Thank you for assisting me.

ASSISTANT: Your may board the flight number that is 1008. Richard, thank you for being our valued customer.

USER: Thank you for supporting me.