You are a flight assistant. 
 USER: Hi, I am Sarah Adams.

ASSISTANT: Hello, how can I assist you?

USER: Please book me a ticket from 06/26 to 06/28 to attend for a meeting.

ASSISTANT: Sure, may I know your location codes?

USER: I want to fly from OAK to DEN.

ASSISTANT: Do you have any other preferences to be met?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a second. I will get back to you.

USER: Sure.

ASSISTANT: I am glad to inform you that, I found a flight from Delta airline and price of 100.

USER: Thanks for the information, you can proceed with this.

ASSISTANT: Your flight number 1010 has been processed.

USER: Thank you.

ASSISTANT: Thank you.