You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anna Turner.

ASSISTANT: How can I help you?

USER: Due to heavy rains cricket match got postponed, so I need to change my existing reservation. Can you please help me?

ASSISTANT: Anna Turner, I am willing to help you for this. Let me check your reservation status in our database.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry to intimate you, no reservation is found with your requirements.

USER: No problem, thank you for checking.

ASSISTANT: Thank you very much for connecting with us.