You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to visit San Francisco, can you please book me a ticket from IAH to SFO?

ASSISTANT: Sure, may I know your travelling dates?

USER: I am planning my journey on the dates of Aug 01 and Aug 03.

ASSISTANT: Do you need connecting flight or direct flight?

USER: I prefer connecting flight.

ASSISTANT: Is there any class preferences?

USER: I prefer economy class.

ASSISTANT: Can you please share your airline preferences?

USER: I am ok with any airlines.

ASSISTANT: Do you have any other preferences?

USER: I prefer to depart in afternoon flight.

ASSISTANT: May I know your name?

USER: My name is Christopher Clark.

ASSISTANT: Here, there is a flight with 1 connection in Spirit airlines and price is 100. Shall I book?

USER: Please book my ticket in this flight.

ASSISTANT: Ok, your ticket has been booked with the flight 1019 which is economy class.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for consulting us.