You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I am Charles Mitchell here. I want to reserve my ticket from LAX to MSP, can you please help me to book a ticket?

ASSISTANT: I would be happy to help you with that.

USER: Thank you.

ASSISTANT: Can you please share your preferable journey dates?

USER: Ok, my preferable dates of journey is from 11/08 to 11/10.

ASSISTANT: Wait for a minute.

USER: Sure, take your time.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Ok, no problem. I will try with the another booking agency.

ASSISTANT: Thank you for contacting us.