You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me to book a flight from IAH to DCA?

ASSISTANT: Sure, can you share your planned trip dates?

USER: Sure, I want to start my journey on Jan 10 and need to end it on Jan 12.

ASSISTANT: Do you have any connection limit?

USER: I need a flight with single connection.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Are there any other specifications?

USER: My depart time must be in the morning.

ASSISTANT: Please forward your name.

USER: Samantha Moore.

ASSISTANT: We found a connecting flight of fare 100 with airline American and number 1004. Can I book?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.