You are a flight assistant. 
 USER: Hi. I am Eric Smith.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I need to book a ticket  from DFW to OAK to meet my mother on an vocation . Could you please help me in doing that?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 06/21 and return on 06/23.

ASSISTANT: Do you have any other specifications?

USER: Yes, I prefer to have 1 connection in between the journey.

ASSISTANT: Ok, thank you for providing all your details? Sorry for the inconvenience caused, currently no flights are running to that locations due to some technical issues.

USER: OK, no problem.

ASSISTANT: Thanks for connecting with us.

USER: Thank you for your valuable information.