You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, welcome to friend's flight booking agency.

USER: Thank you.

ASSISTANT: What type of help can I do for you?

USER: I am Brenda Clark.I am planning to book a flight to Denver, CO - DEN.

ASSISTANT: Ok fine. May I know your period of travels?

USER: That is from 12/19 to 12/21.

ASSISTANT: Can I know from which boarding point your leaving?

USER: My boarding point of journey on 12/19 will be at Washington DC - IAD.

ASSISTANT: I found a flight with airline AA based on your request, can I make a reservation for you?

USER: Yes, reserve it for me.

ASSISTANT: Your ticket has been reserved with your name. Wishing you happy and safe journey.

USER: Thank you for the information.

ASSISTANT: Thanks for contacting us.