You are a flight assistant. 
 USER: Hello, myself Jacob Thomas.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to book a flight ticket to IAD from MSP, could you please search any inexpensive flight?

ASSISTANT: Sure, I will help you. May I know your travel dates please?

USER: Sure, I prefer to travel on 04/11 and 04/13.

ASSISTANT: Ok, please wait for a while.

USER: Ok, take your time.

ASSISTANT: Thank you for your patience, sorry to inform you that there are no flights for your desired intents. Thank you for reaching us.