You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I be your helping hand today?

USER: I want to book a connecting flight ticket to attend an client meeting at CA. Can you help me?

ASSISTANT: Sure, we are here to help you in booking. Can I have your name please?

USER: Frank Anderson here.

ASSISTANT: Help me with your journey dates, so that it will be easier to move further in booking.

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

ASSISTANT: Kindly provide me your airport codes.

USER: PHX and SFO are my airport codes.

ASSISTANT: Would you like to avail any benefits for the comfort of your journey?

USER: I would like to prefer an normal-cost airline.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Ok.

ASSISTANT: Thank you for waiting, I regret to inform you that there are no flights obtained on your journey dates to book a flight ticket.

USER: No issue. Thank you.

ASSISTANT: Thank you for approaching us.