You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Jerry Walker.

ASSISTANT: How may I assite you today?

USER: I'm searching for a direct flight to my trip, can you please help me with it?

ASSISTANT: Sure, I am happy to help you with that. Can you please share your travelling dates?

USER: My travelling dates are from 08/31 and 09/02.

ASSISTANT: Please may I know your airport codes to proceed further?

USER: I want to travel from SFO to IAH.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you for contacting us.