You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Timothy Walker, can you help me to book a flight from MSP to DEN?

ASSISTANT: Timothy Walker. How may I help you? Sure, can you provide me with the travel dates?

USER: My trip dates are Jan 04 and 06.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: I regret to inform that there are no flights on your provided dates.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for reaching us.