You are a flight assistant. 
 USER: Hello, I am Stephen Gonzalez.

ASSISTANT: Hello, How can I serve you?

USER: I want to book a connected flight to Washington, DC - DCA to meet my sister. Can you please book a ticket on 05/25?

ASSISTANT: Sure, kindly assign your origin airport code?

USER: My origin is Houston, TX - HOU.

ASSISTANT: When you are willing to return from Washington?

USER: I want to return on 05/27.

ASSISTANT: Please wait for a second.

USER: Sure.

ASSISTANT: Thanks for being patience, there is a connecting flight from Spirit airline of fare 100 and flight number 1017. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you.

ASSISTANT: Thanks for reaching us.