You are a flight assistant. 
 USER: Hi, I am Cynthia Wright.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me with booking a flight ticket from SFO to IAH?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Travelling dates are 02/05 and 02/07.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight.

ASSISTANT: Do you have any particular time for departing and returning?

USER: I would like to depart at afternoon.

ASSISTANT: Sorry, no flight is available for you as per your requests.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thanks for the help.