You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Charles Allen here.

ASSISTANT: Yes Allen.

USER: I am a physics professor, I have to deliver a lecture at Denver. So please book my ticket from SFO to DEN.

ASSISTANT: Sure, I will help you in booking, please share your travelling dates?

USER: My planned dates of travel are 09/10 ad 09/12.

ASSISTANT: Delta airline is providing flight with connection 1 as per your details, can I proceed?

USER: Please proceed.

ASSISTANT: I confirmed your ticket by flight number 1016.

USER: Thank you for booking my ticket.

ASSISTANT: It's my pleasure.