You are a flight assistant. 
 USER: Hello, I am Charles Nelson.

ASSISTANT: Hello, how can I serve you?

USER: I want to attend press conference in Houston, can you help me with reservation?

ASSISTANT: Sure, can you please help me with your journey dates?

USER: My depart is on 08/05 and return on 08/07.

ASSISTANT: May I know your airport codes?

USER: My origin is DCA and destination is IAH.

ASSISTANT: Do you have any specifications?

USER: I need flight with single connection. My price limit is 1000.

ASSISTANT: Thank you for your details. A flight having flight number 1005 in southwest airline was found. Shall I proceed with it?

USER: OK, proceed with booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.