You are a flight assistant. 
 USER: Hi. I am Raymond Parker.

ASSISTANT: Hello, how may I oblige you today?

USER: I am planning to visit Korean war veterans memorial in Washington IAD. Can you help me to book a connecting flight?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My trip dates are Feb 01 and 03.

ASSISTANT: May I know from where you wish to board?

USER: I want to board from San Francisco, SFO.

ASSISTANT: Is there any other preferences?

USER: I need a economy class flight.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for your time, there is a connecting flight available with fare 100 in economy class of UA airline. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking has been confirmed with a flight number 1019.

USER: Thank you.

ASSISTANT: Thank you for reaching us.