You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Charles Young here.

ASSISTANT: What kind of assistance do you need from our agency, Young?

USER: I need to attend an interview in HQ software at Minneapolis & St, Paul, MSP. Will you help me in booking the flight ticket?

ASSISTANT: Sure, I am gleeful to assist you. Kindly assign your preferred dates of travelling?

USER:  I want to travel on 02/09, and need to catch return flight on 02/11.

ASSISTANT: Ok, can you please provide your selected airport codes, that you wish to board from and land at?

USER:  Sure, I would like to deviate from CLT to MSP?

ASSISTANT: Do you have any specifications?

USER: Yes, I need a halt in between the journey.

ASSISTANT: Ok, please wait for a while, let me check for the availability of flights with your requirements.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for your patience. We are sorry to inform you Young, there are no flights in your route based on your travel dates.

USER: No issues, I will check out with another airlines. Thank you for spending your valuable time in giving me a information.

ASSISTANT: Welcome, have a great day. Please feel free to reach our agency for any other queries.