You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you aid me to book a ticket from IAH to SFO?

ASSISTANT: Ok, please can I know your name to proceed further?

USER: Anthony Phillips here.

ASSISTANT: Ok, can I know your dates of journey?

USER: My travel dates are Jan 29 and Jan 31 respectively?

ASSISTANT: May I know your preferred connection limits?

USER: I need a single connecting flight to travel.

ASSISTANT: Ok, please can I know your other specifications?

USER: I prefer a economy class for my journey.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry as per your intents provided there is no flight ticket available to book.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing our agency.