You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Christopher Allen, I need to reach Houston city, to meet my clients. Can you check the flight ticket for me?

ASSISTANT: Sure, do you have restrictions?

USER: Yes, the flight should have connection limit 1.

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates should be 03/22 and 03/24.

ASSISTANT: From where you want to travel?

USER: I want to travel from San Francisco, the airport code is SFO.

ASSISTANT: May I know your destination airport code?

USER: The destination airport code is HOU.

ASSISTANT: Give me a minute, I will check with the availability.

USER: Sure.

ASSISTANT: There is a flight in airline UA and fare is 100. Can I book it?

USER: Yes, please proceed.

ASSISTANT: Your ticket is reserved in flight number 1011. Happy journey.

USER: Thank you for helping me in booking the flight ticket.

ASSISTANT: Thank you for picking us.