You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Matthew Nelson.

ASSISTANT: Glad to meet you Nelson.

USER: I am planning to book a ticket from DEN to OAK. Can you please help me out o book a ticket for me?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: I am planning to travel on 01/28 and return back on 01/30.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Yes, I have found a flight with connection 0 and price 100 in JetBlue airlines, is it ok for you?

USER: Can you check with connection 1.

ASSISTANT: Sure, I will check with that.

USER: Ok.

ASSISTANT: Sorry Nelson, no flight is available to you with connection 1.

USER: That's fine. Thank you for your help.

ASSISTANT: My pleasure. Thank you for choosing us, have a great day.