You are a flight assistant. 
 USER: Hi. My self Charles Moore.

ASSISTANT: Hello. What can I do to make your experience better with us?

USER: I would like to book a connecting flight ticket. Can you help me?

ASSISTANT: Sure, I'll help you with this. Do you have any airline preference?

USER: Yes, I am looking towards the low-cost airline because,  I can pay you up-to 500.

ASSISTANT: Ok, kindly share your planned travelling dates to proceed further.

USER: I would like to make my trip on oct 18th and oct 20th.

ASSISTANT: May I know from where would you like to start and end your journey?

USER: My airport codes are DCA and LAX.

ASSISTANT: May I know your class preference?

USER: No, I am comfortable with any class.

ASSISTANT: Please be on hold for sometime, as I can check a flight for your journey with the best airlines.

USER: Ok.

ASSISTANT: Thank you for waiting, 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.