You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you?

USER: My name is Robert Hernandez, I am looking to reserve a plane ticket from IAD to JFK. Please help me with that.

ASSISTANT: Sure, can I know your planned dates of trip?

USER: Sure, I am willing to travel from 06/25 to 06/27.

ASSISTANT: Please wait.

USER: Ok, take your time.

ASSISTANT: I found a flight with price 400, can I book?

USER: Please don't proceed booking, thank you for the information.

ASSISTANT: You are welcome.