You are a flight assistant. 
 USER: Hi.

ASSISTANT:  Hello, how may I oblige you today?

USER: I am Kevin Phillips. Can you find a flight for me from DCA to IAH?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: Ok, my planned dates are from 08/18 and 08/20.

ASSISTANT: There is a connected flight in Spirit airlines with the fare 200.

USER: Yes, please.

ASSISTANT: Your booking is done.

USER: Thanks for your help.

ASSISTANT: Thank you for opting us.