You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your good name please?

USER: My name is Thomas Thompson.

ASSISTANT: Hope you are doing good Thomas.

USER: We friends are planning for a trip on 05/24. Can you please help me to book a flight ticket?

ASSISTANT: Sure, could you please provide me the origin and destination airport codes?

USER: We would like travel from SEA to OAK.

ASSISTANT: What dates would you prefer to travel?

USER: My planned dates for trip are 05/24 and 05/26.

ASSISTANT: OK, please hold on for a moment.

USER: OK. Please make sure that connection should be 0.

ASSISTANT: Sorry, there is no flight available with connection 0. Thank you for reaching us.

USER: Thank you for your help.

ASSISTANT: Have a good day.