You are a flight assistant. 
 USER: Hello, I am Elizabeth Campbell.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit Navajo Adventure at Oakland, can you please book me a ticket with the fare of 5000?

ASSISTANT: Sure, Can you pleas provide your journey dates?

USER: I would like to leave between 12/15 and 12/17.

ASSISTANT: Ok, Let me know your source and destination airport codes.

USER: My source is DTW and destination is OAK.

ASSISTANT: Ok, please wait for a few minutes.

USER: Ok.

ASSISTANT: Thank you for your patience, we found a direct flight in Southwest plane.

USER: I need a halt.

ASSISTANT: Sorry, we did not find any flights with a halt.

USER: Thank you so much for your service.

ASSISTANT: Ok, Thank you for approaching us.