You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: From 05/19 to 05/21, I am scheduled to work at client location. Can you please book a ticket for both takeoff and return?

ASSISTANT: Sure, we are here to help you. Can you share me your journey locations?

USER: New York, NY - JFK and Dallas & Fort Worth, TX - DFW are my journey locations.

ASSISTANT: May I know your name to book a flight ticket?

USER: Helen Harris is my name.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there is no flights found on your details. Thanks for choosing us.

USER: Ok, thank you.