You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Laura Adams here and I would like to attend a business conference in Charlotte, can you please make a reservation from SFO to CLT?

ASSISTANT: May I know your travelling dates?

USER: Thank you, my departure is on Sept 25 and please book my return ticket also on Sept 27.

ASSISTANT: Ok, Is there any class preference?

USER: No.

ASSISTANT: May I know your connection limit?

USER: I will prefer single connection for my journey.

ASSISTANT: Can you share me departure and arrival timings?

USER: I would like to return in afternoon time.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Ok, please wait.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, there are no flights found with your requirements.

USER: Oh! Sad to hear that. Anyway, I will go with another airlines to complete my journey. Thank you for the information.

ASSISTANT: Thank you.

USER: Welcome.