You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Richard Taylor.

ASSISTANT: Richard Taylor. How can I help you?

USER: Can you help me to book a connecting flight from HOU to OAK?

ASSISTANT: Can you provide me with the travel dates?

USER: My travelling dates are 18 and 20 of Sep.

ASSISTANT: Would you care for class preferences?

USER: I am comfortable with any class.

ASSISTANT: Is there any time concern.

USER: I would like to prefer in the afternoon.

ASSISTANT: Is it for morning or evening. Are there any other preferences?

USER: Sorry, I  would like to depart in the afternoon. No.

ASSISTANT: Give me a moment.

USER: Sure, take your own time.

ASSISTANT: Hawaiian Airlines with flight 1011 is providing service on your route with  single connection and cost of 200.

USER: Please proceed to booking.

ASSISTANT: Your ticket is booked where the depart time is in the morning 9:00 AM.

USER: Thanks for helping me.

ASSISTANT: Thank you for approaching us.