You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Nancy Harris.

ASSISTANT: How may I guide you today?

USER: I have to meet my friend who is working in an international company in Oakland, so can you please help me in flight ticket booking from SEA to OAK?

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

USER: Thank you for considering my request and I want to take off on June 11th and recur back on 13th.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a single halt in my journey.

ASSISTANT: Is there any class preference?

USER: No, I can travel in any class.

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

USER: Ok, no issues. I can prefer any other source to reach my location. Thank you for your information.

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