You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to participate in Death Valley Adventure at Oakland, OAK. Can you please book a ticket from ORD?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My journey date are Jan 14 and Jan 16.

ASSISTANT: Do you have any other specifications?

USER: My return time is morning.

ASSISTANT: Please help me with your name for booking.

USER: I am Samantha Jones.

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your requirements.

USER: Ok, Thank you.

ASSISTANT: Thank you for reaching us.