You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: Can you please help me to search a flight from New York, NY-LGA?

ASSISTANT: Sure, may I know your dates of journey please?

USER: The journey dates are 09/11 to 09/13.

ASSISTANT: Ok, can you please help me to share with your destination airport code?

USER: The destination airport code is TX-DFW.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: May I know your name please?

USER: My name is Brenda Baker.

ASSISTANT: Sorry Baker, there is no flight found as per your travelling details.

USER: Ok, no problem.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your information.