You are a flight assistant. 
 USER: Hello, I am Samuel Taylor.

ASSISTANT: Hello, how may I be at your service today?

USER: I have a plan to visit San Jacinto Monument at Houston, please book a flight ticket under price 200.

ASSISTANT: Sure, can I have your source point?

USER: My source point is Boston, BOS.

ASSISTANT: Please help me with the airport code of Houston.

USER: My destination code is IAH as it is the nearest airport to Jacinto Monument.

ASSISTANT: Ok, on which dates you are planning to go to San Jacinto Monument?

USER: My planned travelling dates are depart date on 02/06 and return date on 02/08.

ASSISTANT: Ok, do you need any halt to make your trip comfortable?

USER: I need a single connection.

ASSISTANT: Ok, let me check the availability.

USER: Ok.

ASSISTANT: There is a connecting flight available in 1003 Southwest airline at a price of 100 with single connection. Shall I proceed?

USER: Please go with booking.

ASSISTANT: Your booking is done in economy class.

USER: Thanks for the reservation.

ASSISTANT: Thank you for reaching us.