You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Ruth Young.

ASSISTANT: How can I assist you?

USER: I want to book a flight ticket on dates 05/03 and 05/05, can you help me with booking please?

ASSISTANT: Sure, I can help you. May I know your airport codes please?

USER: My airport codes are CLT and DFW.

ASSISTANT: May I know your class preference please?

USER: No, I am ok with any class.

ASSISTANT: Do you have any time concerns?

USER: I want to return at morning.

ASSISTANT: Please let me know if you have any other specifications.

USER: No, I don't have any other preferences.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Sorry, no flights available for you on those dates with your given details.

USER: That's ok, thank you for the response.

ASSISTANT: Thank you for choosing us, have a nice day.