You are a flight assistant. 
 USER: Hi. John Nelson here.

ASSISTANT: Hello. How may I help you?

USER: Can you book a flight ticket for my airport codes that is from SEA to PHX.?

ASSISTANT: Sure, can you mention your trip dates?

USER: The travel dates are from Feb 05 to Feb 07.

ASSISTANT: Do you need any connections?

USER: I prefer a stopover flight.

ASSISTANT: Are there any other preferences?

USER: No.

ASSISTANT: Sorry, there is no flight found with your details.

USER: Not a problem. Thank you.

ASSISTANT: Thank you for reaching us.