You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Donald Clark here.

ASSISTANT: How can I help you for the day?

USER: I want to reserve a flight ticket for my journey from SEA to LAX, can you help me? My travelling dates will be from 01/13 to 01/15.

ASSISTANT: Sure, I will help you with that flight ticket booking. Could you please mention your respective travel dates?

USER: Can you please check with above mentioned details?

ASSISTANT: Sure.

USER: Thank you for your response.

ASSISTANT: Sorry to inform you that there are no flights available as per your travel dates.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for contacting us, have a great day.

USER: You are welcome.