You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am planning to book a ticket to meet my family at DCA. Can you please help me out from IAH?

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: My name is Jacob Collins.

ASSISTANT: Please help me with your planned travelling dates.

USER: I would like to travel on May 27 and return back on May 29.

ASSISTANT: Do you need a break in your journey. Do you need a break in your journey?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other preferences in your journey?

USER: No.

ASSISTANT: Jacob Collins, I am really sorry to inform you that there are no flights available for your journey.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for reaching us. Have a great time.