You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Brenda Garcia.

ASSISTANT: How may I assist you today?

USER: I am planning to visit multi-car 50 mile canyon road test drive in Denver, DEN. Can you help me to book a connecting flight?

ASSISTANT: Please mention your arrival airport code.

USER: My arrival is from Boston, BOS.

ASSISTANT: Mention your travelling dates, please?

USER: My travel dates are Dec 26 and Dec 28.

ASSISTANT: Do you need any specification?

USER: Make sure that, price should not exceed 1000.

ASSISTANT: Based on your details, no flights are running on your route.

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

ASSISTANT: Thank you for searching the details.