You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Could you help me in booking a flight ticket from LGA to IAD?

ASSISTANT: Sure, please provide your trip dates.

USER: I would like to fly on June 17, return on June 19.

ASSISTANT: May I know your name?

USER: My name is Brandon Davis.

ASSISTANT: Sorry Brandon Davis, no flights are available on your route.

USER: Not an issue, thank you.

ASSISTANT: Thank you for contacting us.