You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I serve you?

USER: Can you please book a flight ticket with the name of Shirley Phillips?

ASSISTANT: Sure, may I know when do you want to travel?

USER: I want to start my journey on 04/30 and attend my friend marriage on 05/01, and return from Houston on 05/02.

ASSISTANT: Do you need a lay by in between?

USER: Yes, I need a lay by in between journey.

ASSISTANT: Could you please share your airport codes?

USER: My journey points are, Washington, DC - IAD to Houston, TX - HOU.

ASSISTANT: Ok, let me check what flights are going on your route.

USER: Sure.

ASSISTANT: We found a direct flight at this moment. Is that okay?

USER: No, do not proceed, I need a connecting flight. Thank you for your information.

ASSISTANT: Ok. Thank you for reaching us.