You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Helen Evans.

ASSISTANT: How can I aid you?

USER: I planned to attend for a wedding in SFO, can you please help me to book a flight ticket from IAH?

ASSISTANT: Ok, may I know your journey dates for better search?

USER: I planned to travel on 04/12 and 04/14.

ASSISTANT: Can you please let me know your connection limit?

USER: I would like to travel in 1 connecting flight.

ASSISTANT: Sorry, no flight found with 1 connection.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Thank you for taking assistance through our agency.