You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Samuel Martin here.

ASSISTANT: Samuel Martin. How can I help you?

USER: I would like to book a ticket from SEA to ORD, can you please help me with that?

ASSISTANT: Sure, may I know you travel dates please?

USER: The travel dates are from 10/24 to 10/26.

ASSISTANT: Do you have any class preferences?

USER: No, but I need a flight with 1 connection limit.

ASSISTANT: Is there any class preference?

USER: I would like to return during evening time.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: Are there any other preferences?

USER: No.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Sorry to inform that there are no flights on your route with your requirements.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for approaching us.