You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Cynthia Perez here.

ASSISTANT: Perez, how can I assist you?

USER: I want to meet my ex-husband at Chicago, so please book my ticket from Houston.

ASSISTANT: Sure, can you please let me know your preferred airport codes?

USER: My airport codes are HOU and ORD.

ASSISTANT: Sure, can you please let me know your travel dates?

USER: My itinerary dates are 03/01 and 03/03.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Flight-1004 is available in AA airlines with single connection and the ticket fare is 300 only. Is that ok for you?

USER: I can afford 200 for my ticket.

ASSISTANT: Sorry Perez, there are no flights available with the ticket fare of 200.

USER: No problem, I will find an alternative way to travel.

ASSISTANT: Ok, what else can I do for you?

USER: No, thank you for helping me.

ASSISTANT: You are welcome and thank you for choosing us.