You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I aid you today?

USER: I need a ticket from Houston, TX-IAH to New York, NY-JFK.

ASSISTANT: Sure, can you please share your dates of travelling?

USER: Departure is on 07/11 and my return date is 07/13.

ASSISTANT: Do you have any other restrictions to be met?

USER: I need direct flight.

ASSISTANT: May I know your name to proceed?

USER: My name is Helen Turner.

ASSISTANT: Thanks for your time, sorry, currently no airline providing service on that airline.

USER: Thanks for your assistance.