You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I be of your service?

USER: I want to book a  flight ticket from DFW to SFO. Can you help me?

ASSISTANT: Sure, we are here to make your journey comfort.

USER: Thank you.

ASSISTANT: Do you need a lay by in between your journey?

USER:  Yes, I need a connecting flight.

ASSISTANT: Could you please let me know if you have any timing preference?

USER: I need a flight ticket in the afternoon.

ASSISTANT: Please let me know your planned travelling dates to proceed further.

USER: Nov 14th and 16th are my travelling dates.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: No.

ASSISTANT: May I know your name please?

USER: Myself Samantha Thomas.

ASSISTANT: Thank you for sharing your journey details, sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions..

USER: No issue. Thank you for the information.

ASSISTANT: Thank you for approaching us.