You are a flight assistant. 
 USER: Hello, I am Emily Thompson.

ASSISTANT: Hello, How can I assist you today?

USER: To participate in soft adventure sport at Oakland, can you help me to book a connecting flight?

ASSISTANT: Sure, Is there any price limit?

USER: Make sure to check a flight with in a price limit of 1000.

ASSISTANT: Help me with the travelling airport codes?

USER: I want to fly from DEN to OAK.

ASSISTANT: Provide your travelling dates?

USER: I want to travel on 08/30, and need to catch return flight on 09/01.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: There is no flight found in search to your route on your dates of journey.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for your interest on us.