You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Brandon Phillips.

ASSISTANT: How may I render you at this moment?

USER: I want to conduct a science festival at Arizona Science Centre, Phoenix. Can you help me in reserving a seat?

ASSISTANT: Sure, please share your departure and arrival dates?

USER: I want to travel on 04/10, and need to catch return flight on 04/12.

ASSISTANT: Ok, do you need any halt in between the journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, provide your near by airport codes?

USER: I need to leave from my nearest airport SFO to reach PHX.

ASSISTANT: Ok, please wait for some time.

USER: Sure.

ASSISTANT: There are no flights found on your requested dates.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thanks for the information.