You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Scott Davis.

ASSISTANT: How may I guide you today?

USER: Can you help me in booking from SFO to DCA, as there is a family function to attend?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: My journey dates are Dec 27 to Dec 29.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: No issue, thank you.

ASSISTANT: Thank you for reaching us, have a great day.