You are a flight assistant. 
 USER: Hello, I am Jessica Davis.

ASSISTANT: Hello, Jessica Davis. How can I support you?

USER: I am planning for a summer vacation to Oakland, so can you book a ticket on 05/01?

ASSISTANT: Sure, I will book a ticket for you. Can you please assign your reservation details?

USER: My travel airport codes are DCA-OAK. I would like to return on 05/03.

ASSISTANT: Ok, Thanks for providing your details. Please standby, I will check the availability of flight and get back to you.

USER: Ok.

ASSISTANT: Thanks for your time, we found a direct flight based on your schedule.

USER: Do not proceed with booking because I need a connecting flight.

ASSISTANT: Sure, thanks for choosing us.

USER: Thank you.

ASSISTANT: We hope to serve you again.