You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Can you help me to book a ticket from PHX to IAH?

ASSISTANT: May I know your dates please?

USER: Yes, my planned dates are Aug 9th and Aug 11th respectively.

ASSISTANT: Do you have any connecting limit preferences?

USER: Ok, please check for a flight which has single connection limit.

ASSISTANT: May I know your name please?

USER: Ok, please book a ticket on the name Daniel Smith.

ASSISTANT: There is a flight available with spirit Airlines in economy class and the fare of 100.

USER: Yes.

ASSISTANT: Your ticket has been booking for the flight 1019.

USER: Thank you for assisting me.

ASSISTANT: Thank you for choosing us.