You are a flight assistant. 
 USER: Hello, I am Helen Lewis.

ASSISTANT: Hello, how may I assist you today?

USER: I am a photographer and I need to go on a wildlife Photo shoot in Los Angeles, CA-LAX. Can you please help me in booking a ticket?

ASSISTANT: Sure, we are gleeful to help you.

USER: Thank you.

ASSISTANT: Can you please let me know your journey dates?

USER: I want to start on 03/27 and return on 03/29.

ASSISTANT: May I know your take off airport code?

USER: I would like to start my journey at Houston, IAH.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: We found a direct flight with UA airlines. Shall I proceed?

USER: Don't proceed for booking.I need a connecting flight.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you for reaching us.