You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am George Phillips, can you please check for the direct flight from SFO to IAD?

ASSISTANT: Sure, may I know your planned trip dates to proceed further?

USER: I have to meet my project manager on 05/08, so I have to depart on 05/07 and return on 05/09.

ASSISTANT: Please give me a minute.

USER: Ok.

ASSISTANT: Phillips, I found a flight with UA airlines available with price 100. Shall I book the ticket for you?

USER: If it's direct flight, please proceed for booking.

ASSISTANT: There are no direct flights available, George.

USER: No problem, thank you for checking.

ASSISTANT: Thank you for reaching us.