You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I am Deborah Turner. I want to attend my friend marriage at PHL, can you please help me to book a ticket from SFO?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Do you need any break?

USER: Yes, I need a halt.

ASSISTANT: Please share me your travelling dates.

USER: I would like to move on Feb, 21th and return on Feb, 23th.

ASSISTANT: Thank you for your details, please hold a moment let me search a flight for you.

USER: Ok, I will wait.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for consulting us.