You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I amend you now?

USER: Myself Amanda Adams. I am going to Chicago, IL-ORD to provide a presentation at our company on 04/13.

ASSISTANT: Ok.

USER: Can you please book me a flight ticket with single connection?

ASSISTANT: May I have your other airport code?

USER: Sure, it's Washington DC-DCA.

ASSISTANT: What is your other date of journey?

USER: Sure, I will back on 04/15.

ASSISTANT: Thanks for waiting. Unfortunately, we have no flights with your information.

USER: Ok, no worries. Thank you for your information.

ASSISTANT: Thank you for opting us.