You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What can I do for you at this moment?

USER: I am planning to visit the target field which is located in Minneapolis & St. Paul, MSP. Can you avail me to book a flight ticket?

ASSISTANT: Sure, do you need a lay by in between the journey?

USER: Yes, I prefer a lay by in my journey.

ASSISTANT: May I know your good name please?

USER: Richard Thomas here.

ASSISTANT: On which dates would you like to travel?

USER: I want to travel in the month of Mar on 09 and 11.

ASSISTANT: Can you please share your source airport code?

USER: My source is from Houston, HOU.

ASSISTANT: Do you have any other preferences?

USER: I prefer to travel in economy class.

ASSISTANT: We found a Delta Airlines with fare of 100 and a lay by in between the journey matches your schedule.

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1005.

USER: Thanks for your kind service.

ASSISTANT: Thank you for reaching us.