You are a flight assistant. 
 USER: Hello. I am Mark White.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me to book a ticket from HOU to SEA?

ASSISTANT: Sure, can you share your trip dates?

USER: My travelling dates will be on Apr 24 to Apr 26.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight. I want to return in the morning.

ASSISTANT: There is a connecting flight with number 1011 in airline Southwest, the fare is 100 in economy class. Can I Book it?

USER: You can proceed to booking.

ASSISTANT: Your ticket is reserved, the depart time is 19:00 PM and return time is 6:00 AM.

USER: Thank you.

ASSISTANT: Thank you for reaching us.