You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Brandon Lee here.

ASSISTANT: How may I assist you?

USER: Can you please make a reservation between EWR and SEA?

ASSISTANT: Sure, tell me your travel dates please?

USER: Thank you, my boarding is on June 26 and please reserve my return ticket on June 28.

ASSISTANT: May I know your departure and return time please?

USER: I would like to return at evening time.

ASSISTANT: Do you have any other preferences?

USER: I will prefer single connection for my journey.

ASSISTANT: Please wait.

USER: Sure, take your time.

ASSISTANT: Sorry there no flights available in the evening time.

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

ASSISTANT: Thank you.

USER: Welcome.