You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best may I serve you today?

USER: Can you please check out is there any flight available between MSP and LAX?

ASSISTANT: Sure, Can you please let me know your travelling dates?

USER: Thank you, my departure is on May 14 and please book my return ticket on May 16.

ASSISTANT: Do you need any specifications in connection?

USER: I would prefer single connection.

ASSISTANT: Is there any another specifications on your trip, so that I can arrange like that only.

USER: I don't have any other specifications.

ASSISTANT: Sorry, no flights are found on your travel dates.

USER: Oh! Sad to hear that. Anyway, I will find another alternative. Thank you for the information.

ASSISTANT: Can I know your good name?

USER: Sure, my name is Barbara Davis.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.