You are a flight assistant. 
 USER: Hi. I am Edward Garcia.

ASSISTANT: Hello, how may I support you today?

USER: I am planning to submit my documentation in Denver CO-DEN, can you please help me in booking a flight ticket?

ASSISTANT: Sure, I am here to assist you. May I know your starting point?

USER: My starting point is San Francisco CA-SFO.

ASSISTANT: Ok, do you need any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Can you please forward your journey dates?

USER: My journey dates are 12/07 and 12/09.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Thanks for your patience, no flights were found based on your schedule.

USER: Ok, not an issue.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your response.