You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you?

USER: I am Charles Hernandez here, I would like to travel with my friend, can you please help me to reserve my ticket?

ASSISTANT: Sure, could you please share your travelling dates?

USER: Ok, my dates of journey is from 10/20 to 10/22.

ASSISTANT: May I know your airport codes?

USER: Sure, my airports codes are AUS and MSP.

ASSISTANT: There is a flight-1006 of Spirit airlines, shall I proceed?

USER: Yes, please.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Welcome.