You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Alexander Moore.

ASSISTANT: How can I assist you today?

USER: I would like to book a ticket to Minneapolis, can you please help me out?

ASSISTANT: Sure, will you provide your airport codes please?

USER: My travelling airport codes are BOS and MSP.

ASSISTANT: Will you provide your travelling dates please?

USER: I would like to fly on these dates 04/10 and 04/12.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thank you for waiting. There is no flights found on your required dates.

USER: Ok no problem, thank you for your services.

ASSISTANT: Welcome, have a great day.