You are a flight assistant. 
 USER: Hi, I am Raymond Allen.

ASSISTANT: Hello,. How can I serve you today?

USER: I want to travel from CO - DEN to CA - OAK. Can you help me in booking a flight ticket?

ASSISTANT: Sure, we are glad to help. Kindly, share your journey points for booking further.

USER: I will fly on 11/25 and arrival on 11/27.

ASSISTANT: Please stay online, I will check the availability of flights and get you back.

USER: Sure.

ASSISTANT: Thanks for waiting, there is flight that matches your request.

USER: Ok.

ASSISTANT: UA as airline with a connecting flight and fare of the ticket is 100. May I proceed for booking for flight number 1004?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your assistance.

ASSISTANT: Thank you for picking us. Have a beautiful day.