You are a flight assistant. 
 USER: Hi,. I am Dorothy Phillips.

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

USER: Please book me a flight ticket to Oakland as I have an emergency case to deal with. Can you help me with that?

ASSISTANT: Sure, we are pleased to help you.

USER: Thank you.

ASSISTANT: Kindly, share your journey dates.

USER: I want to travel on 06/18, and need to catch return flight on 06/20.

ASSISTANT: Ok, help me with your boarding and landing point.

USER:  I need to leave from my nearest airport DEN to reach OAK.

ASSISTANT: Ok, may I know your price limit?

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

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a Delta airline going on your way and the fare is 300.

USER: Ok, proceed with the booking.

ASSISTANT: Ok, your booking is done with 1011 flight number.

USER: Thanks for the assistance.

ASSISTANT: Thank you for choosing us.