You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I aid you now?

USER: I am planning to visit a NASA space center at Houston, Will you help me in booking a flight ticket?

ASSISTANT: Sure, I will help you to book a flight.

USER: Thank you.

ASSISTANT: Please share me your planned journey dates?

USER: My planned dates of journey are 06/09 and 06/11.

ASSISTANT: Do you need any halt in between the journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: May I know the source and destination airport codes?

USER: My source is Phoenix, AZ-PHX and destination is Houston, TX-HOU.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, I found a connecting flight 1002 of airline Frontier and fare is 100. Shall I proceed with booking?

USER: Please proceed with my booking.

ASSISTANT: I need your name to complete the booking, please mention your name?

USER: Sure, my name is Nancy Moore.

ASSISTANT: Your flight ticket has been booked on mentioned flight.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.