You are a flight assistant. 
 USER: Hi, I am Nicole Edwards.

ASSISTANT: Hello, how can I aid you?

USER: Please help me with booking a ticket from HOU to IAD.

ASSISTANT: Sure, I am here to help you. May I know when you have planned to travel?

USER: I want to fly from 06/16 to 06/18.

ASSISTANT: Ok, please stand by I will get back to you.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry to say no flights found with your details.

USER: Ok, thanks for the information.

ASSISTANT: Thank you for reaching us, have a nice day.