You are a flight assistant. 
 USER: Hello, I am Jacob Anderson.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to meet my school friend in Denver, so please book a flight ticket from BOS to DEN.

ASSISTANT: Sure, will you mention your travelling dates please?

USER: I will start on Jan 06, return on Jan 08.

ASSISTANT: Do you have any specifications?

USER: My return time should be morning.

ASSISTANT: Do you have any other specifications?

USER: I want a flight with one connection.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no flights found under your preferable details.

USER: Not an issue, thank you.

ASSISTANT: Welcome, have a great day.