You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Raymond Baker here.

ASSISTANT: Is there anything else that we can do for you?

USER: There is a meeting with my client  in Fort Worth-DFW, so I want to book a ticket from Washington-IAD.

ASSISTANT: Baker, can you please tell me your travelling dates?

USER: I am departing on 02/25 and return on 02/27.

ASSISTANT: Baker, there is no flights found as per your information. Do you have any other dates?

USER: That's ok, thanks for your information.

ASSISTANT: Thank you for reaching us.