You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I be your helping hand?

USER: I am planning to visit the cathedral of christ the light at Oakland, CA - OAK.

ASSISTANT: Ok.

USER: Can you help me to book a direct flight?

ASSISTANT: Sure, I am ecstatic to help you.

USER: Thank you.

ASSISTANT: Is there any restriction of price?

USER: The price should not exceed 1000.

ASSISTANT: From which place would you like to depart?

USER: I would like to move from New York, NY - JFK.

ASSISTANT: When are you willing to travel?

USER: I want to fly on 04/26 and recur on 04/28.

ASSISTANT: Please give me a moment. I will get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting. May I know your good name?

USER: Sure, I am Elizabeth Harris.

ASSISTANT: Unfortunately there are no flights available on that dates.

USER: Ok, no issues. Thanks for your kind assistance.

ASSISTANT: Thank you for reaching us. Have a wonderful day.