You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Deborah Phillips.

ASSISTANT: How can I assist you at this moment?

USER: I need to schedule my trip on dates from Jan 11th to 13th as I have an appointment with my doctor. Can you help me in booking?

ASSISTANT: Sure, I will help you with this. Can you please provide your nearest airport codes of journey?

USER: My origin is MSP and destination is PHL.

ASSISTANT: Do you need any halt in this journey?

USER: Yes, I need a break.

ASSISTANT: Do you have any other specification for this trip?

USER: No, please check for a flight with the above mentioned credentials.

ASSISTANT: Deborah Phillips, there are no flight services available on this route on your provided dates.

USER: That's alright, thanks for your assistance.

ASSISTANT: Thank you for contacting us.