You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: My concern is regarding the flight ticket booking from the location SFO to IAH. Can you help me with the booking?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Please can you book a flight ticket for the dates Feb 3rd and 5th respectively?

ASSISTANT: Do you have any airline preferences?

USER: No.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: Yes, I need a connecting flight.

ASSISTANT: Can you please provide your name to proceed further?

USER: My name is Melissa Rodriguez.

ASSISTANT: Sorry, there are no flights available at your request.

USER: Ok, it is not a problem.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: Thank you for assisting me.