You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you?

USER: I am Jack Thompson want to visit DFW, can you book a ticket from PHX?

ASSISTANT: Sure, may I your planned dates of journey?

USER: Sure, my travelling dates will be 07/09 and 7/11.

ASSISTANT: How much can you spend for this booking?

USER: My flight price should be within 1000.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

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

USER: That's ok, thank you.

ASSISTANT: Thank you for approaching us.