You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Jacob Perez.

ASSISTANT: How can I assist you at this moment?

USER: I am looking for a flight from SFO to IAH, can you help me in booking the flight ticket from San Francisco?

ASSISTANT: Sure, I will help you with this. Could you please provide your journey dates to proceed further?

USER: Sure, my planned travel dates are 03/21 and 03/23.

ASSISTANT: Wait a moment please.

USER: Ok, I will wait for your response.

ASSISTANT: Jacob Perez, there are no flight services available on this route on your provided dates.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for contacting us.