You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I am Samantha Jackson. Can you help me in booking from SFO to JFK?

ASSISTANT: Yes, please provide the dates.

USER: My travelling dates are 02/28 to 03/01.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There are no flights obtained on your trip dates.

USER: No issue, thank you for checking.

ASSISTANT: Sorry for the trouble, welcome.