You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Dorothy Williams.

ASSISTANT: How may I help you out?

USER: I am planning to travel Dallas this week day. Can you please help me in booking the ticket from SFO to DFW?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: I will drop-off 01/09 and gain I will retrieve on 01/11.

ASSISTANT: Do you have connection limit?

USER: I prefer for direct flight.

ASSISTANT: Sorry, there are no flights found in our database.

USER: Not an issue, anyway thank you very much for your kind information.

ASSISTANT: Thank you for choosing us.