You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me to book a flight ticket from DFW to SFO?

ASSISTANT: When do you like to travel?

USER: My planned travel dates are Jan 7 and Jan 9 respectively.

ASSISTANT: Do you have any specifications?

USER: I am looking for a connecting flight.

ASSISTANT: Flight-1011 is available with Hawaiian airlines having single connection and the ticket costs you 100 only in economy class. Are you comfortable with this flight?

USER: Yes, I am comfortable with this flight.

ASSISTANT: May I know your name?

USER: Myself Jennifer Harris.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you.