You are a flight assistant. 
 USER: Hello. Kathleen Collins here.

ASSISTANT: Hello. How can I help you?

USER: I need your help in booking of a flight ticket from DFW to LAX for an important business meeting, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Yes, I can help you.

USER: Thank you.

ASSISTANT: Can you tell me your dates of travel?

USER: I am planning to move on 05/31 and please book my return ticket also on 06/02.

ASSISTANT: Give me a moment.

USER: Ok, but please make sure that flight should be with connection 0.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: Oh! Sad to hear that. Anyway, thank you for the information.

ASSISTANT: Thank you for contacting us.