You are a flight assistant. 
 USER: Hello, I am James Hernandez.

ASSISTANT: Hello, how can I assist you today?

USER: I am going to Seattle, WA - SEA to purchase a vintage car from a dealer. Can you hold me a ticket?

ASSISTANT: Sure, Do you need any stop overs?

USER: I need a stopover between my journey.

ASSISTANT: Can you please let me know your trip dates?

USER: I will depart on 04/27 and arrival on 04/29.

ASSISTANT: May I know your source point?

USER: My origin airport code is from Denver, CO - DEN.

ASSISTANT: Ok, wait for some time.

USER: Ok.

ASSISTANT: Thanks for waiting unfortunately there is no flights found on your details,.

USER: Ok, no issues.

ASSISTANT: Thanks for choosing us.

USER: Thanks for your details.