You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I am Cynthia Edwards.

ASSISTANT: Yes Cynthia.

USER: I want to book a ticket from SFO to DFW to attend workshop, can you help me in booking?

ASSISTANT: Sure, I will help you in booking, please share your travelling dates?

USER: I am departing on 05/02 and return on 05/04.

ASSISTANT: Cynthia, no flights as per your details.

USER: That's ok, thank you for your information.

ASSISTANT: It's my pleasure.