You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: This is Frank Jackson, can you help me to book a flight ticket from HOU to SFO?

ASSISTANT: Sure, I am happy to help you in booking the flight ticket.

USER: Thank you.

ASSISTANT: On which dates you are willing to travel?

USER: I am travelling from May 20 to May 22.

ASSISTANT: Ok, do you need any halts in between your journey?

USER: I am comfortable with any connection.

ASSISTANT: Ok, please let me know if you have any other preference.

USER: Ticket fare must be normal cost.

ASSISTANT: There is a flight with the connection limit 1 and the ticket fare is 100 in the AA airlines. Shall I proceed to reserve the economy class flight ticket?

USER: That's perfect, please proceed.

ASSISTANT: Ok, I have done your ticket reservation with the flight number 1008 which is departing in the afternoon and arriving by the evening. Have a nice journey.

USER: Thank you for the support.

ASSISTANT: You are most welcome.